Question

question 3 of 10
complete this sentence: after a congruence transformation, the perimeter of a triangle would be ____________ it was before.
a. the same as
b. cannot be determined
c. less than
d. greater than

Explanation:

Congruence transformations (translations, rotations, reflections) preserve side - lengths. Since perimeter is the sum of side - lengths, the perimeter remains unchanged.

Answer:

A. the same as