document.write( "Question 841098: What is the area in square units of an isosceles triangle with a base that is 8 units long and side lengths 5 units long? \n" ); document.write( "

Algebra.Com's Answer #506627 by Fombitz(32388) $\"\"$ $\"About$

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Use the base and leg length to calculate the altitude using Pythagorean theorem.
\n" ); document.write( " $\"%288%2F2%29%5E2%2Bx%5E2=5%5E2\"$
\n" ); document.write( " $\"16%2Bx%5E2=25\"$
\n" ); document.write( " $\"x%5E2=9\"$
\n" ); document.write( " $\"x=3\"$
\n" ); document.write( "For a triangle,
\n" ); document.write( " $\"A=%281%2F2%29bh=%281%2F2%29%288%29%283%29=12\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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