Question

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

Answer 1

Answer:

B is the answer

Step-by-step explanation:

A = πr²

24π = πr²

24 = r²

24 = r²

$\sqrt{24}$ = r

r = $\sqrt{4}$$\sqrt{6}$ = 2$\sqrt{6}$

C = 2πr

C = 2π(2$\sqrt{6}$)

C = 4$\sqrt{6}$π