Consider the two triangles shown. which statement is true

report flag outlined. If the two triangles shown are congruent, they are perfectly identical. So, they have the same angles and the same sides. Note that the other options are wrong because: The two triangles aren't right. The two triangles aren't equilateral, because they have three different angles. The two triangles are not obtuse, …

Consider the two triangles shown. which statement is true. Given if If triangle MNO is similar to triangle PQR, we have to choose the true statement about the two triangles. As the two triangles are similar therefore their corresponding sides are proportional angle angles are congruent. In the option 1, Segment NO is proportional to segment QR, and angles M and P are congruent. which is the correct option.

The correct statement about the triangles shown in the graph is given as follows:. The slopes of the two triangles are the same. How to obtain the slope? Considering a graph, a slope is calculated as the division of the vertical change by the horizontal change.. For the smaller triangle, we have that:. The vertical change is of 2. The horizontal change is of 2.

Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.3.1: The Congruence Statement. Two triangles are said to be congruent if one can be placed over the other so that they coincide (fit together). This means that congruent triangles are exact copies of each other and when fitted together the sides and angles which coincide, called corresponding sides and angles, are equal.Xavier's backyard contains a wooden deck shaped like a parallelogram and two grassy lawns shaped like triangles, as shown in the figure below. ... Select each statement that is true about these two triangles. The two triangles are similar. A sequence of rigid motions and dilations carries one triangle to the other. About us.Two triangles are congruent if their corresponding parts are equal. From the figure, we see that, AB = JL = 4. BC = LK = 7. AC = JK = 5. So, we have, A corresponds to J. B corresponds to L. C corresponds to K.Consider the two triangles. Triangles A B C and T R S are shown. Sides A C and T S are congruent. ... If RT is greater than BA, which statement is true? By the ...longer than. Triangle JKL is isosceles. The measure of angle J is 72° and the measure of angle K is 36°. Which statement describes angle L? Angle L is a base angle and measures 72°. A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a common vertex. The total number of degrees in the center is 360°.To prove the triangles similar by the SAS similarity theorem, we need to confirm two ratios are equal and that the included angles are congruent. Given that angles ∠U ≅ ∠X, ∠V ≅ ∠Y, and ∠W ≅ ∠Z, we examine the triangle side ratios provided: ∠U ≅ ∠X: Corresponding sides are UV = 50 and XY = 40, UW = 40 and XZ = 32.

5.1 units. use the information and diagram to complete the proof. sephanie and miranda disagree about which reason goes in the blank for statement 7. stephanie states that the missing reason is the asa congruence theorem, but miranda says the missing reason is the sas congruence postulate. answer the following two questions.Exterior angle theorem states that the measure of an exterior angle of a triangle is equal to the sum of two remote interior angles. The remote interior angles or opposite interior angles are the angles that are non-adjacent with the exterior angle. A triangle is a polygon with three sides. When we extend any side of a triangle, an angle is ...longer than. Triangle JKL is isosceles. The measure of angle J is 72° and the measure of angle K is 36°. Which statement describes angle L? Angle L is a base angle and measures 72°. A regular pentagon is created using the bases of five congruent isosceles triangles, joined at a common vertex. The total number of degrees in the center is 360°.The similarity statement should reflect the corresponding vertices of these triangles. Without the specific figure, a more specific answer cannot be given. Explanation: In order to identify the correct similarity statement about the triangles in a figure, you would need to identify the corresponding sides and angles in each triangle. Triangles ...Desmos simulation. Can we be sure that two triangles are not congruent? A triangle only has 3 sides and 3 angles. If we know 4 distinct side measures or 4 distinct angle measures, then we know the two triangles cannot be congruent. Sometimes we know measures because they are in the diagram.

Decide whether the triangles are similar. If so, determine the appropriate expression to solve for x. The triangles are not similar; no expression for x can be found. Triangle HIJ has been reflected to create triangle H′I′J′. Segment HJ = H′J′ = 4, segment IJ = I′J′ = 7, and angles J and J′ are both 32 degrees.Triangle ABC is congruent to triangle XYZ, as shown below. Which of the following statements must be true? O m/X = 45° %3D O mLZ = 45° O YZ = 3 cm O XY = 3 cm. Elementary Geometry For College Students, 7e. 7th Edition. ISBN: 9781337614085. Author: Alexander, Daniel C.; Koeberlein, Geralyn M. Publisher: Alexander, Daniel C.; Koeberlein, Geralyn M.Therefore, with the given congruence relationship, a true statement would be that ∠A ≅ ∠X, ∠B ≅ ∠Y, and Line BC ≅ Line YZ. The concept of vector components is also relevant here. In a right triangle, the Ax and Ay represent the separate components of a vector , following the concept of Pythagorean theorem, Ax² + Ay² = A² where ...Sep 5, 2021 · We can tell which sides correspond from the similarity statement. For example, if \(\triangle ABC \sim \triangle DEF\), then side \(AB\) corresponds to side \(DE\) because both are the first two letters. \(BC\) corresponds to \(EF\) because both are the last two letters, \(AC\) corresponds to \(DF\) because both consist of the first and last ...

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5.1 units. use the information and diagram to complete the proof. sephanie and miranda disagree about which reason goes in the blank for statement 7. stephanie states that the missing reason is the asa congruence theorem, but miranda says the missing reason is the sas congruence postulate. answer the following two questions.Consider the two triangles shown. Which statement is true? star. 4.5/5. heart. 25. Consider the two triangles. How can the triangles be proven similar by the SSS similarity theorem? Show that the ratios are equivalent. Show that the ratios are equivalent. Show that the ratios are equivalent, and ∠V ≅ ∠Y.Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.In this section we will consider two more cases where it is possible to conclude that triangles are congruent with only partial information about their sides and angles, 2.4: Proving Lines and Angles Equal; 2.5: Isosceles Triangles An isosceles triangle is a triangle that has two sides of equal length. 2.6: The SSS TheoremThe triangles are congruent because they have the same side lengths. Since the triangles are congruent, the corresponding angles are equal, that is AB=XY. so c)AB=XY is correct choice.. The triangles are congruent because they have the same side lengths. The sides AB, BC and CA of triangle ABC are congruent to sides XY, YZ and ZX of triangle XYZ.Queen Elizabeth, whose portrait is on the coin's obverse, will have to approve the proposal. A commemorative Brexit coin is in the works. Following the UK’s “true blue” redesign of...

Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points.According to the isosceles triangle theorem, if two sides of a triangle are congruent, then the angles opposite to the congruent sides are equal. Thus, ∠Y = ∠Z = 35º. Hence the value of x is 35º. Example 2: If ∠P and ∠Q of ∆PQR are equal to 70º and QR = 7.5 cm, find the value of PR. Given that, in ∆PQR, ∠P = ∠Q = 70º.The midpoint theorem states that "the line segment joining the midpoints of any two sides of a triangle is parallel to the third side and equal to half of the length of the third side". It is often used in the proofs of congruence of triangles. Consider an arbitrary triangle, ΔABC. Let D and E be the midpoints of AB and AC respectively.The midpoint theorem states that "the line segment joining the midpoints of any two sides of a triangle is parallel to the third side and equal to half of the length of the third side". It is often used in the proofs of congruence of triangles. Consider an arbitrary triangle, ΔABC. Let D and E be the midpoints of AB and AC respectively.Using words: If 3 sides in one triangle are congruent to 3 sides of a second triangle, then the triangles are congruent. Using labels: If in triangles ABC and DEF, AB = DE, BC = EF, and CA = FD, then triangle ABC is congruent to triangle DEF. Proof: This was proved by using SAS to make "copies" of the two triangles side by side so that together ...A. AAS. Two angles and the non-included side of one triangle are congruent to the corresponding parts of another triangle. Which congruence theorem can be used to prove that the triangles are congruent? B. AAS. Two sides and the included angle of one triangle are congruent to the corresponding parts of another triangle.What is true of triangle FGH? D. It has exactly 3 congruent sides. Right triangle ABC is isosceles and point M is the midpoint of the hypotenuse. What is true about triangle AMB? C. It is an isosceles right triangle. Triangle QST is isosceles, and line RT bisects ∠T. What is true about QRT?Consider the two triangles. Triangles A B C and T R S are shown. Sides A C and T S are congruent. Sides T B and R S are congruent. If RT is greater than BA, which statement is true? By the converse of the hinge theorem, mAngleC = mAngleS. By the hinge theorem,TS > AC. By the converse of the hinge theorem, mAngleS > mAngleC.Study with Quizlet and memorize flashcards containing terms like Complete the statement. A: 60°, B: 75°, C: 45° Since angle B is the largest angle, AC is the _____ side., T U V | 5 units, 8 units, 11 units Which statement is true regarding triangle TUV?, In the diagram, MQ = QP = PO = ON. If NP is greater than MO, which must be true? and more.Volume and Surface Area Questions & Answers for Bank Exams : Consider the following two triangles as shown in the figure below. Choose the correct statement for the above situation.

Study with Quizlet and memorize flashcards containing terms like Consider LNM. Which statements are true for triangle LNM? Check all that apply., Identify the triangle that contains an acute angle for which the sine and cosine ratios are equal., What are the values of the three trigonometric ratios for angle L, in simplest form? sin(L) = cos(L) = tan(L) = and more.

Hence, (ii) statement is true. 4. Line-segments AB and CD bisect each other at O. AC and BD are joined forming triangles AOC and BOD. State the three equality relations between the parts of the two triangles that are given or otherwise known. Are the two triangles congruent? State in symbolic form, which congruence condition do you use? Solution:By the converse of the H. theorem, the statement that is true about the triangles is mAngleS > mAngleC. What is converse of the H. theorem? The Converse H. …Consider the two triangles. If RT is greater than BA, which statement is true? By the converse of the hinge theorem, mC = mS. By the hinge theorem,TS > AC. By the converse of the hinge theorem, mS > mC. By the hinge theorem, BA = RT.the congruence statement for the two triangles. ... Example #8: Given the two triangles congruent triangles shown. Which statement below lists the correct congruence ... A postulate is a statement that is agreed to be true but cannot be proven to be true. Example 1: ...Triangle PQR was dilated according to the rule DO,2(x,y)→(2x,2y) to create similar triangle P'Q'Q Which statements are true? Select two options.3 years ago. A Triangle Congruence Criterion is a way of proving that two triangles are congruent. There are four types of criterians. There is SSS (Side, Side, Side). This means if each of the 3 sides of one of the triangles are equivalent to the other 3 sides on the other one, then they are both congruent. Another example is SAS (Side, Angle ...Study with Quizlet and memorize flashcards containing terms like The two triangle in the following figure are congruent. What is m∠B?, The triangles below are congruent. Which of the following statements must be true?, Given the diagram at the right, which of the following must be true? and more.

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To prove that the triangles are similar by the SAS similarity theorem, it needs to be proven that. angle I measures 60°. What value of x will make the triangles similar by the SSS similarity theorem? 77. Below are statements that can be used to prove that the triangles are similar. 1. 2. ∠B and ∠Y are right angles.If so, write the similarity statement. - 49773161. skyolivera05 skyolivera05 25.01.2022 Math Secondary School answered Determine if the two triangles shown are similar. If so, write the similarity statement. Question 6 options: A) Impossible to determine. B) ΔGCB ∼ ΔGFE C) The triangles are not similar. D) ΔBCG ∼ ΔEFG See answerA. It is rigid. C. it is isometric. D. The size if preserved. Triangle ABC is transformed to create triangle MNL. Which statement is true? The transformation is rigid because corresponding side lengths and angles are congruent. Triangle STV is transformed to create the image, triangle UTV.The statement which is true for the given expression triangle is, 9/(x + y) = 3/x.So option c is correct.. What is similarity of triangles? Triangles with the same shape but different sizes are said to be similar triangles.Squares with any side length and all equilateral triangles are examples of related objects.In other words, if two triangles are similar, their corresponding sides are ...Which of these statements is true about the two triangles graphed belo . They are congruent, because one can be obtained by reflecting the other across the x–axis. ... on the left, and a range, y, on the right. Does the map shown represent a function? Why or why not? no, because the points will not form a straight line . no, because an x ...Study with Quizlet and memorize flashcards containing terms like Consider LNM. Which statements are true for triangle LNM? Check all that apply. The side opposite ∠L is NM. The side opposite ∠N is ML. The hypotenuse is NM. The hypotenuse is LN. The side adjacent ∠L is NM. The side adjacent ∠N is ML., Identify the triangle that contains an …The correct statement is: "Triangle ABC is congruent to triangle DEF." Two triangles are congruent when their corresponding sides and angles are equal. In this case, we are given that: - Side BC is congruent to side EF (BC ≅ EF). - Angle C is congruent to angle E (∠C ≅ ∠E). - Angle B is congruent to angle F (∠B ≅ ∠F).Triangle SRQ undergoes a rigid transformation that results in triangle VUT. 2 right triangles with identical side lengths and angle measures are shown. The second triangle is shifted up and to the right. Which statements are true regarding the transformation? Select two options. SQ corresponds to VU. AngleR corresponds to AngleU. UV corresponds ...To prove that the triangles are similar by the SAS similarity theorem, it needs to be shown that AC/GI = BC/HI. Similarity theorem of triangle. Figures are known to be similar if the ratio of their similar sides is equal or their angles are equal. From the given diagram, triangle ABC will be congruent to GHI if the ratio below is true. AC/BC ... ….

The similarity statement that expresses the relationship with the two triangles is that "Triangle P Q R is similar to Triangle W X Y" Step-by-step explanation: In drawing and labeling triangles, the three angles are labeled with letters that follow alphabetically. Thus, a triangle A B C should be in similarity with triangle x y z.Which statements can be concluded from the diagram and used to prove that the triangles are similar by the SAS similarity theorem? A. Given: AB ∥ DE. Prove: ACB ~ DCE. We are given AB ∥ DE. Because the lines are parallel and segment CB crosses both lines, we can consider segment CB a transversal of the parallel lines.Karl’s husband, Jamal, has long COVID that meets the ADA’s definition of disability. Karl’s employer, a business consulting firm, has a policy that allows employees …Select all the statements that are true about similar figures. O imilar triangles are the same size. O Similarity implies proportionality. O All similar shapes are congruent. O All congruent polygons are similar. O Similar triangles have the same shape. Select all the statements that are true about similar figures.Triangle ABC has a side of 8, a side of 6, and a non-included angle of 40 degrees. Triangle DEF has a side of 16, a side of 12, and a non-included angle of 40 degrees. What statement is TRUE? Triangle ABC is congruent to triangle DEF. Triangle ABC must be similar to triangle DEF. Triangle ABC must be similar to either triangle DEF or to ...The statement which is true for the given expression triangle is, 9/(x + y) = 3/x.So option c is correct.. What is similarity of triangles? Triangles with the same shape but different sizes are said to be similar triangles.Squares with any side length and all equilateral triangles are examples of related objects.In other words, if two triangles are similar, their corresponding sides are ...Geometry questions and answers. 17. Select all statements that are true about the triangles. (A) Triangles ABC and DCB are congruent by the Angle-Angle Triangle Congruence Theorem. (B) Triangles ABC and BCD are congruent by the Angle-Side-Angle Triangle Congruence Theorem. (C) Triangles ABC and BCD are congruent by the Side-Side-Side Triangle ...The HL Postulate says that if you have two right triangles with the hypotenuse and 1 leg of equal lengths then the triangles are congruent. This is true for all right triangles. Also, if you think about this it is very similar to the SSS postulate since due to the Pythagorean theorem (a^2 + b^2 = c^2) if we ever know 2 sides of a right triangle ... Consider the two triangles shown. which statement is true, Study with Quizlet and memorize flashcards containing terms like The pre-image, ΔSTU, has undergone a type of transformation called a rigid transformation to produce the image, ΔVWX. Compare the measures of the triangles by dragging the image to the pre-image. Which measures are equal? Check all that apply., Which type of rigid transformation is …, Feb 11, 2021 · Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points. , Sep 27, 2022 · Two triangles are congruent if they are exactly the same size and shape. In congruent triangles, the measures of corresponding angles and the lengths of corresponding sides are equal. Consider the two triangles shown below: Since both ∠B ∠ B and ∠E ∠ E are right angles, these triangles are right triangles. , Volume and Surface Area Questions & Answers for Bank Exams : Consider the following two triangles as shown in the figure below. Choose the correct statement for the above situation., What is true about ABC and DEF? How do you know? Select 3 answers. Select one answer for Question 1, and select two answers for Question 2. ... Match each statement in the proof to the correct reason. 1. Given. 2. vertical angles are congruent 3. Definition of congruent angles 4. SAS congruence postulate, Consider the two triangles shown. Which statement is true? The given sides and angles cannot be used to show similarity by either the SSS or SAS similarity theorems. sqrt(x) The given sides and angles can be used to …, Study with Quizlet and memorize flashcards containing terms like Complete the statement. A: 60°, B: 75°, C: 45° Since angle B is the largest angle, AC is the _____ side., T U V | 5 units, 8 units, 11 units Which statement is true regarding triangle TUV?, In the diagram, MQ = QP = PO = ON., Which description is true about the transformation shown? ... Which statements are true about triangle ABC and its translated image, A'B'C'? Select two options. The rule for the translation can be written as T3, -5(x, y). Triangle ABC has been translated 3 units to the right and 5 units down., The triangles cannot be determined to be congruent. Explanation: The correct statement is that there is not enough information to determine if the triangles are congruent. The Angle-Angle Triangle Congruence Theorem states that if two angles in one triangle are congruent to two angles in another triangle, then the triangles are congruent ..., The Side-Side-Side (SSS) criterion for similarity of two triangles states that "If in two triangles, sides of one triangle are proportional to (i.e., in the same ratio of ) the sides of the other triangle, then their corresponding angles are equal and hence the two triangles are similar". Proof: Consider the same figure as given above., Triangle HEF is the image of triangle FGH after a 180 degree rotation about point K. Select all statements that must be true. a. Triangle FGJ is congruent to triangle FEH. b. Triangle EFH is congruent to triangle GFH. c. Angle KHE is congruent to angle KFG. d.Angle GHK is congruent to angle KHE. e. Segment EH is congruent to segment …, Geometry. Geometry questions and answers. Question 1 (5 points) 36 The triangles shown are congruent. Which of the below statements is a correct congruence statement? 36 82° 9 9 R 82° м s APRO - AMIS APRO - AMSI APRO AISM APRO ASMI None of these is a correct congruence statement. Question 2 (5 points) M T Given the statement, …, Which statements are true regarding undefinable terms in geometry? Select two options. A point's location on the coordinate plane is indicated by an ordered pair, (x, y). A point has one dimension, length. A line has length and width. A distance along a line must have no beginning or end. A plane consists of an infinite set of points., Which statement about these congruent triangles is NOT true? Problem 5CT: 5. With congruent parts marked, are the two triangles congruent? a ABC and DAC b RSM and WVM. Transcribed Image Text: Which statement about these congruent triangles is NOT true? A D side AC = side FE ZDEF LABC O all are true O AABC ~ ADEF. This is a popular solution!, Question: Consider the two triangles shown below. Note: The triangles are not drawn to scale. Are the two triangles congruent? Choose the correct answer for Question 3: Yes No There is not enough information to say. Please show Solution. Here's the best way to solve it., 0.6 of 1. 1. given. 2. opposite sides of parallelograms are congruent. 3. consecutive sides of a parallelogram are congruent. 4. substitution property of congruence. 5. definition of rhombus. use the diagram and information to answer the question. given: ab∥cd m∠a = 104, m∠b = 76. prove: quadrilateral abcd is a parallelogram., If two triangles have two of their angles equal, the triangles are similar. Example: these two triangles are similar: If two of their angles are equal, then the third angle must also be equal, because angles of a triangle always add to make 180°. In this case the missing angle is 180° − (72° + 35°) = 73°., Final answer: The triangles are congruent because there is a series of rigid motions that maps ABC to DEF. Explanation: The statement that is true is: The triangles are congruent because there is a series of rigid motions that maps ABC to DEF.. In order for two triangles to be congruent, there must be a series of rigid motions that can map one triangle onto …, Consider for example an equilateral triangle of side 8 inches, as shown above. The altitude is perpendicular to the base, so each half of the original triangle is a right triangle. Because each right triangle contains a \(60^{\circ}\) angle, the remaining angle in each triangle must be \(90^{\circ}-60^{\circ}=30^{\circ}\). , Solution. The correct option is B ΔABC⩭ ΔJ LK. Two triangles are congruent if their corresponding parts are equal. From the figure, we see that, AB = JL = 4. BC = LK = 7., 1. We know that triangles VUT, UTS, and TSR are connected. Step 2/9 2. We are given that sides VT, UT, TS, and TR are congruent. Step 3/9 3. Since VT and UT are congruent, triangle VUT is an isosceles triangle. Therefore, angles VUT and VTU are congruent. Step 4/9 4. Similarly, since TS and TR are congruent, triangle TSR is an isosceles triangle., Two triangles are said to be congruent if one can be placed over the other so that they coincide (fit together). This means that congruent triangles are exact copies of each other and when fitted together the sides and angles …, Concepts. 1 The longest side in a triangle is opposite the largest angle, and the shortest side is opposite the smallest angle. 2 Triangle Inequality: In any triangle, the sum of the lengths of any two sides is greater than the length of the third side. 3 Pythagorean Theorem: In a right triangle with hypotenuse c c, a2 +b2 = c2 a 2 + b 2 = c 2., Terms in this set (10) In the diagram below, m∠A = 55° and m∠E = 35°. Which best explains the relationship between triangle ACB and triangle DCE? The triangles are similar because all pairs of corresponding angles are congruent. Which must be true in order for the relationship to be correct? ∠Z = ∠W and ∠X = ∠U. , Consider the two triangles. Triangles A B C and T R S are shown. Sides A C and T S are congruent. Sides T B and R S are congruen. t. If RT is greater than BA, which statement is true? By the converse of the hinge theorem, mAngleC = mAngleS. By the hinge theorem,TS > AC. By the converse of the hinge theorem, mAngleS > mAngleC., Terms in this set (10) In the diagram below, m∠A = 55° and m∠E = 35°. Which best explains the relationship between triangle ACB and triangle DCE? The triangles are similar because all pairs of corresponding angles are congruent. Which must be true in order for the relationship to be correct? ∠Z = ∠W and ∠X = ∠U. , answered • expert verified. Consider the two triangles shown. Triangles F H G and L K J are shown. Angles H F G and K L J are congruent. The length of side F G is 32 and the length of side J L is 8. The length of side H G is 48 and the length of side K J is 12., Consider the two triangles. Triangles A B C and T R S are shown. Sides A C and T S are congruent. Sides T B and R S are congruent. If RT is greater than BA, which statement is true? By the converse of the hinge theorem, mAngleC = mAngleS. By the hinge theorem,TS > AC. By the converse of the hinge theorem, mAngleS > mAngleC., Identify m∠C in the triangle shown. 21°. Which of the following pairs of triangles can be proven congruent by ASA? angle A-> angle W, line AC -> line WY, angle C -> angle Y. Determine the value of x in the figure. x = 3. Based on the markings of the two triangles, what statement could be made about ΔABC and ΔA′B′C′? ΔABC and ΔA′B ..., Example \(\PageIndex{2}\) For the two triangles in the diagram. list two sides and an included angle of each triangle that are respectively equal, using the infonnation given in the diagram, write the congruence statement, and (3) find \(x\) by identifying a pair of corresponding sides of the congruent triangles. Solution, Four right triangles that share the same point A and the same angle A. The triangles all have hypotenuses on the same line segment, A H. They also all have bases on the same line segment, A I. The smallest triangle, triangle A B C, has a base of eight units, a height of six units, and a hypotenuse of ten units., Similar triangles may or may not have congruent side lengths.. The true statement is: (a) verify corresponding pairs of angles are congruent by translation. For the two triangles to be similar, the side lengths of both triangles may or may not be equal.. This means that: options (b) and (d) are not true. Translation does not alter side lengths and angles, while dilation alters measure of angles., We need to check which congruence statement does not necessarily describe the triangles shown if . Corresponding part of congruent triangles are congruent. Using these corresponding angles we can say that. In the given options , and congruence statement are true. Only does not necessarily describe the triangles. Therefore, the correct option is b.