Question

Help me please help me thanks please

Answer 1

1018 cm

Explanation:

A=piR^2

To find the radius from circumference, we divide by pi and then divide by two.

C=36pi

36pi/pi=36

36/2=18

R=18

if we plug 18 into

A=piR^2,

we get

18pi^2=A

18pi^2=1017.88

round this to get 1018

A=1018