Answer:
Step-by-step explanation:
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Area is pi x radius^2
if we divide by pi, we get 16.55211408.
If we square that number, we get 4.068428945. This number is the radius.
Circumference is diameter x pi or 2 x raidius x pi
So multiply that number by 2 and pi and we get 25.56269297 as the circumference.
Answer:
x= 13
Step-by-step explanation:
x + 8 = 21
x + 8-8 = 21-8
x = 13
