document.write( "Question 856257: One side of a equilateral triangle measures 6 cm. find the measure of an altitude of the triangle. \n" ); document.write( "
Algebra.Com's Answer #515821 by josgarithmetic(39617)\"\" \"About 
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The altitude forms two right triangles. One leg is 3 cm and the hypotenuse is 6 cm. Let y = the altitude length. \r
\n" ); document.write( "\n" ); document.write( "\"y%5E2%2B3%5E2=6%5E2\"
\n" ); document.write( "\"y=sqrt%2836-9%29\"
\n" ); document.write( "\"y=sqrt%2825%29=5\"
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