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basic trigonometry help

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An equilateral triangle has an altitude of 2 cubed root of 3 inches and a perimeter of 12 inches. What is the area of the triangle?

Aug 28th, 2014

Perimeter of the triangle =12 inches

Each side = 4 inches

The area of the equilateral triangle = sqrt(3)/4 * side^2

    = sqrt(3) *4^2/4 = 4 sqrt(3) = 4*1.732 = 6.928

Are = 6.928 sq inches

Aug 28th, 2014

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Aug 28th, 2014
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Aug 28th, 2014
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