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January 30, 2015

January 30, 2015

Posted by **Jessica** on Monday, April 23, 2012 at 11:10am.

- Trigonometry -
**Steve**, Monday, April 23, 2012 at 11:52am10/length = sin 40

length = 10/sin40 = 10/0.642 = 15.56 ft

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