Question

Find the circumference of a circle whose area is 247 ft2.

A. 2767 ft
B. 4/67 ft
C. 127 ft
D. 247 ft
Please select the best answer from the choices provided

Answer 1

B is the answer

Explanation:

A = πr²

24π = πr²

24 = r²

24 = r²

`√(24)` = r

r =
`√(4)`
`√(6)` = 2
`√(6)`

C = 2πr

C = 2π(2
`√(6)`)

C = 4
`√(6)`π