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Helen [10]
2 years ago
15

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

Mathematics
1 answer:
gizmo_the_mogwai [7]2 years ago
8 0

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

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