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August 20, 2014

August 20, 2014

Posted by **Br** on Sunday, May 8, 2011 at 12:23pm.

- math - 8th grade -
**Henry**, Sunday, May 8, 2011 at 8:58pmAs = (45/360)Ac = 14.13cm^2.

0.125Ac = 14.13,

Ac=113.4cm^2 = Area of disk or circle.

3.14r^2 = 113.4cm^2,

r^2 = 36,

r = 6cm = radius of disk.

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