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Proof for Area of Equilateral Triangle

A Math Proof

Rating: 4.6 of 5
By Tango, published May 20, 2007
Video showing the proof of a way to find the area of an equilateral triangle which is not the common way. This is an original proof, not usually shown in textbooks.

Credit: www.geometry-help.info
Copyright: 2007 geometry-help.info
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