The curved surface of a sphere is 64 Ï€ cm2. Find its radius?

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Question

The curved surface of a sphere is 64 Ï€ cm2. Find its radius?

Options:

A . 1 cm

B . 2 cm

C . 4 cm

D . 3 cm

Answer: Option C

4 Ï€r²= 64 => r
= 4

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