Posted by **Destine'e** on Friday, April 15, 2011 at 10:51am.

how do you find the surface area of a sphere if the circonference measures 20 pie ft?

A. 1256.6ft squared

B. 10ft squared

C. 314.2ft squared

D. 62.8ft squared

- Math -
**ASshley**, Friday, April 15, 2011 at 10:55am
D.62.8ft squared

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