Question

Triangle ABC is isosceles. It is reflected across the y- axis and then translated up 1 unit to form triangle ABC.

Answer 1

Answer: True, True, True

Explanation:

A. True. Angles B and C are congruent, and since B' is congruent to B, by the transitive property, C is congruent to B', and thus has the same measure.

B. True. AB>BC, and the rigid motions won't change the side lengths.

C. True for the same reason in B.