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October 20, 2014

October 20, 2014

Posted by **Cherie** on Monday, December 3, 2012 at 11:32am.

Find it's surface area

- Math -
**Steve**, Monday, December 3, 2012 at 12:36pmarea of equilateral triangle of side s is

a = 1/2 s s√3/2 = 1/4 s^2 √3

so your prism has two bases and 3 faces

area = 2(1/4 *10^2 √3) + 3(10*10) = 300+50√3

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