document.write( "Question 145650: How do you find the height of a triangle with only side lengths given? \n" ); document.write( "
Algebra.Com's Answer #106285 by edjones(8007)\"\" \"About 
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Use Heron's area formula to find the area. the sides are a, b & c
\n" ); document.write( "A=sqrt(s(s-a)(s-b)(s-c)) where s=(a+b+c)/2
\n" ); document.write( "Once you know the area use the formula for the area of a triangle to find the altitude. a=altitude b=base A=area
\n" ); document.write( "A=ab/2
\n" ); document.write( "a=2A/b
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