Question

Find the circumference of a circle whose area is
`24\pi` ft^2

A.
`2√(6)`
B.
`4√(6)`
C.
`12\pi`
D.
`24\pi`

Answer 1

B

Explanation:

Area = pi × r²

24pi = pi × r²

r² = 24

r = sqrt(24)

r = 2sqrt(6)

Circumference = 2pi × r

2pi × 2sqrt(6)

(4sqrt(6))pi