Answer:
5 becuz u gotta do the work
Step-by-step explanation:
5+3=8
8-3=5
to calculate circumference:
if the diameter is 16 then the radius would be 8.
to calculate the area of a circle:
2 x 20 + 2 x 15 = 40 + 30 = 70
2x20=40
2x15=30
40+30=7
-37