Answer:
−0.643
Step-by-step explanation:
.
A' (3(-5),3(-4))= (-15,-12)
B' (3(2),3(6))=(6,18)
C'(3(4),3(-3))=(12,-9)
10.35 is the closest to the perimeter of the window.
hope it helps
D. 3.14
hop this helps ^o^