document.write( "Question 317111: three side of equal length, x, cm, are joined to form an equilateral triangle. if the height of the triangle is 12 cm, find the value of x. \n" ); document.write( "

Algebra.Com's Answer #227058 by Fombitz(32388) $\"\"$ $\"About$

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The height, half of a side, and a side form a right triangle.
\n" ); document.write( " $\"h%5E2%2B%28x%2F2%29%5E2=x%5E2\"$
\n" ); document.write( " $\"h%5E2=%283x%5E2%29%2F4\"$
\n" ); document.write( " $\"144=%283x%5E2%29%2F4\"$
\n" ); document.write( " $\"x%5E2=192\"$
\n" ); document.write( " $\"x=8%2Asqrt%283%29\"$
\n" ); document.write( " \n" ); document.write( "

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