Which shapes are congruent? (see attachment)

Given right triangle xyz, which correctly describes the locations of the sides in relation to

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Find the value of x. give reasons to justify your solutions! l, m ∈ kn