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November 22, 2014

November 22, 2014

Posted by **G** on Wednesday, April 23, 2014 at 10:50pm.

- math -
**Steve**, Thursday, April 24, 2014 at 5:06am80 degrees is 2/9 of a complete circle

so, the area is 2/9 * pi * (8/2)^2 = 32/9 pi

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