document.write( "Question 555492: What is the height of an equilateral triangle with sides of 10 in long
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Algebra.Com's Answer #361827 by edjones(8007)\"\" \"About 
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The altitude divides the triangle into 2 right triangles, each with a hypotenuse of 10\" and a base of 5\".
\n" ); document.write( "a^2+b^2=c^2
\n" ); document.write( "a^2+5^2=10^2
\n" ); document.write( "a^2+25=100
\n" ); document.write( "a^2=75
\n" ); document.write( "a=sqrt(75)
\n" ); document.write( "=sqrt(25*3)
\n" ); document.write( "=5sqrt(3)\" the height
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