document.write( "Question 1112101: the truss in the illustration in the form of an isosceles triangle each of the two equal sides is 3 feet less than the third side if the perimeter is 51 feet find the length of each side \n" ); document.write( "

Algebra.Com's Answer #727121 by ikleyn(52786) $\"\"$ $\"About$

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document.write( "x + (x-3) + (x-3) = 51\r\n" );
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document.write( "3x - 6 = 51\r\n" );
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document.write( "3x = 51 + 6 = 57\r\n" );
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document.write( "x =  = 19.\r\n" );
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document.write( "The sides are 19 ft, 16 ft and 16 ft.\r\n" );
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