Point A is (-2,2) and point C is(3,0) so the midpoint is

Choice A
I got the same answer as you. Try to ask your teacher about it since it’s a math problem online or something.
The length would be 230, and the width would be 170, and since there are 4 sides there would be 2 of each. So 230x2=460 and 170x2=340. 460+340= 800