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OpenStudy (anonymous):
Each side of a equilateral triangle measures 9cm. Find the height, h, of the triangle. ...Please show work :] thanks
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OpenStudy (anonymous):
break it up into 2 triangles. base is 4.5, hypotenuse is 9 4.5^2+b^2=81 20.25+b^2=81 b^2=60.75 h=7.794228634059948
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