Question

Find the circumference of a circle whose area is 38.5m?. ​

Answer 1

Answer
117.95 m

Explanation:

First, you divide C by 3.14
then divide that by "2"
after you square it (multiply it by itself)
then last you multiply by 3.14
ex.

Answer 2

Answer: C=22

Explanation:

sing the formulas

A=πr2

C=2πr

Solving forC

C=2πA=2·π·38.5≈21.99557