Answer:C
Step-by-step explanation:Just did it on apex and got it correct ✋:)
Alternate exterior angles(AEA).
Given their relationship the angles are congruent.
8x-71=5x+7
3x-71=7
3x=78
X=26
It's goofy to subtract perimeter and area; they're in different units. We persist.
The area is
and the perimeter is
. so the difference is

Answer: choice A