What is the exact area of a circle with a diameter of 18 feet

Question

asked Jun 9, 2018 158k views

1 Answer

Hostmaster · Answer 1 · 2018-06-13T16:23:33+0000

A = π r^2
A = 9^2 π
A = 81π

if using π = 3.14 then

A = 3.14 x 81 = 254.47 ft^2

answer: 81π ft^2 or 254.47 ft^2

hope that helps