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February 28, 2015

February 28, 2015

Posted by **ceci** on Monday, April 2, 2012 at 9:43pm.

- trigonometry ASAP! -
**Steve**, Tuesday, April 3, 2012 at 5:05amusing the law of sines,

the angle opposite the 12.9' side is 52°

the remaining angle is thus 60°

area is 1/2 * 15.2 * (12.9 sin 60°) = 85 ft^2

85/5 = 17 bags

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