Answer:
r = 22.99 cm
Explanation:
sphere surface area = 4πr²
6644.24 = 4 (3.142)r²
6644.24 = 12.568r²
arrange it by change the position to solve it easier
12.568r² = 6644.24
r² = 528.6632718
r = square root 528.6632718
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