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December 21, 2014

December 21, 2014

Posted by **Sue** on Friday, August 19, 2011 at 2:23pm.

When I did it it came out to .8666667, is that right or do I have to do 1/(13)(15) to get 1.15384571.

- Math -
**Reiny**, Friday, August 19, 2011 at 4:15pmcircumference = 2P(15) = 30π

fraction of arc over circumference = 13/30π = .137934

whole area = P(15^2) = 225π

sector = .137934(225π) = 97.5 ft^2

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