document.write( "Question 396254: Find the area of an equilateral triangle with sides measuring 15 meters \n" ); document.write( "

Algebra.Com's Answer #281133 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "Using Pythagorean theorem:
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document.write( "A  = (1/2)15 * sqrt(15m^2 - (7.5m)^2 = 97.4279 m^2
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document.write( "Using Heron's formula
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document.write( "A =   
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document.write( "Heron's Equation to find the area of a triangle when 3 sides are given 
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document.write( "and s is the semiperimeter of the triangle
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document.write( "In this example: a,b,c = 15m and s = 22.5m
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document.write( "A = = 97.4279m^2 \n" );
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