document.write( "Question 507260: Find the exact value of the area an equilateral triangle if the measure of one side is 4.
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Algebra.Com's Answer #340484 by richard1234(7193)\"\" \"About 
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You can draw an altitude from one vertex to the base. Using the fact that the two triangles are 30-60-90 triangles, you can conclude that the base is 4 (half of it is 2) and the altitude is 2sqrt(3). The area would be 4sqrt(3).\r
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\n" ); document.write( "\n" ); document.write( "Or, you could say that the area is 4*4*(sin 60)/2 = 8 sin 60 = 4sqrt(3).
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