document.write( "Question 772963: An isosceles triangle has a base which is 3 inches shorter that any of the two sides. If its perimeter is 42 inches, find the length of the two sides. \n" ); document.write( "

Algebra.Com's Answer #471216 by josgarithmetic(39617) $\"\"$ $\"About$

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L = length of each equal side
\n" ); document.write( "L-3 = length of base\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Perimeter is 42 inches.
\n" ); document.write( " $\"2L%2B%28L-3%29=42\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"2L%2BL-3=42\"$
\n" ); document.write( " $\"3L=42%2B3\"$
\n" ); document.write( " $\"3L=45\"$
\n" ); document.write( " $\"highlight%28L=15%29\"$ \n" ); document.write( "

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