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January 26, 2015

January 26, 2015

Posted by **Cathy** on Saturday, December 1, 2012 at 7:18am.

Please include solution. Thanks.

- geometry -
**drwls**, Saturday, December 1, 2012 at 7:26amThe full circle has an area of pi*R^2. For a segment that has an 80 degree central angle, take 80/360 = 2/9 of the full circle area.

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