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September 21, 2014

September 21, 2014

Posted by **Mona** on Monday, March 7, 2011 at 6:34pm.

quarter circle:

5 inches

- math -
**Henry**, Wednesday, March 9, 2011 at 12:39amd = 6.28 * 5 *(90/360) = 7.9in.

A = 3.14 * 5^2(90/360) = 19.6in^2.

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