5
AssignmentMultiple Choice

Congruence and Transformations

Question 5 • SRC 2022 M/J Grade 8 Pre-Algebra Q1

Which sequence of transformations creates triangles that are similar instead of congruent?

Answer
A
reflection and rotation
B
translation and reflection
C
rotation and translation
D
dilation and reflection

Explanation

A dilation changes a figure’s size while preserving its shape and angle measures, so the resulting triangles are similar. A reflection does not change size, and reflections, rotations, and translations are rigid transformations that preserve both shape and size. Therefore, dilation and reflection create triangles that can be similar rather than congruent.

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