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Similarity Transformations Unit Test 84% Questions and Answers
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Similarity Transformations Unit Test 84% Questions and Answers Triangle RST was dilated by a scale factor of . The image, triangle R'S'T', is an isosceles triangle, with each leg measuring 8 units. What is the length of a leg of the pre-image, triangle RST? 16 units Why is the infor...

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  • September 15, 2024
  • 4
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • similarity transformations unit test 84 questions
  • triangle rst was dilated by a scale factor of th
  • why is the information in the diagram enough to de

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Similarity Transformations Unit Test 84%
Questions and Answers
Triangle RST was dilated by a scale factor of . The image, triangle R'S'T', is an
isosceles triangle, with each leg measuring 8 units.



What is the length of a leg of the pre-image, triangle RST? - answer 16 units

Why is the information in the diagram enough to determine that △LMN ~ △PON using
a rotation about point N and a dilation? - answer because one pair of congruent
corresponding angles is sufficient to determine similar triangles

Quadrilateral JKLM was dilated according to the rule
DO,(x,y) -> (1/2x, 1/2y)0, -4) to create the image quadrilateral J'K'L'M', which is shown
on the graph.



What are the coordinates of vertex J of the pre-image? - answer (0, -4)

Triangle ABC was dilated using the rule DY, 5/4.



If CA = 8, what is C'A'? - answer 10 units

Which statements can be concluded from the diagram and used to prove that the
triangles are similar by the SAS similarity theorem? - answer A

Read the proof.

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. Angles CED and
CBA are corresponding angles of transversal CB and are therefore congruent, so ∠CED

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