Question

Triangle ABC has been reflected over the y-axis to create triangle A'B'C'. Which of the following statements is true?

Answer 1

B'C' = 2 True

1) In this Geometric Transformation, reflection.

This a Rigid Transformation so each side keeps its original dimension

from the Pre-image to the Image

Given that BC = 2

Hence

B'C' = 2 True

There is no other source of information to state anything about the other sides.