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OpenStudy (anonymous):
To the nearest tenth of a square inch, what is the surface area of a sphere whose DIAMETER is 45 inches? A) 3235.8 in2 B) 6361.7 in2 C) 9987.6 in2 D) 25446.9 in2 Eliminate
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OpenStudy (anonymous):
6361.7 in2
OpenStudy (callisto):
i can't believe i have to copy the previous answer! surface area = 4πr^2 where r = diameter/2 Can you try it now?
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