document.write( "Question 851734: The perimeter of an equilateral triangle is 45 meters. find the length of an altitude. \n" ); document.write( "
Algebra.Com's Answer #528172 by tommyt3rd(5050)\"\" \"About 
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\"%2815%2F2%29%5E2%2Bh%5E2=15%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "which leads to\r
\n" ); document.write( "\n" ); document.write( "\"h=%2815sqrt%283%29%29%2F2\"
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