document.write( "Question 318000: An isosceles triangle has two sides of equal length. The length of the third side is 2 ft less than twice the length of an equal side.\r
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document.write( "Find the length of the equal sides when the perimeter is 46 ft. \n" );
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Algebra.Com's Answer #227687 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! S=2L-2 \n" ); document.write( "P=2L+S \n" ); document.write( "46=2L+2L-2 \n" ); document.write( "42=4L-2 \n" ); document.write( "4L=42+2 \n" ); document.write( "4L=44 \n" ); document.write( "L=44/4 \n" ); document.write( "L=11 ANS. FOR THE 2 EQUAL LENGTHS. \n" ); document.write( "S=2*11-2 \n" ); document.write( "S=2*11-2=22-2=20 ANS. FOR THE SIDE. \n" ); document.write( "PROOF: \n" ); document.write( "42=2*11+20 \n" ); document.write( "42=22+20 \n" ); document.write( "42=42 \n" ); document.write( " |