How do you find the area from the circumference of 20pi km

Question

0

753

1

Guest Mar 24, 2015

+5

Best Answer

Since you are given the circumference, use the formula for a circle's circumference, C=2pi(r) to determine the radius.

C, in this case is given as 20 pi. Once r is determine used the formula for the area of a circle,

Area= pi* r²

Guest Mar 24, 2015

Guest · Answer 1 · 2015-03-24T07:49:30

Since you are given the circumference, use the formula for a circle's circumference, C=2pi(r) to determine the radius.

C, in this case is given as 20 pi. Once r is determine used the formula for the area of a circle,

Area= pi* r²