document.write( "Question 200897: Can you please help me solve this perimeter problem? I'm not very good with word problems and I so desperately need help in learning how to do it right for class.
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document.write( "The word problem is: One side of a triangle is half the longest side. The third side is 10 meters less than the longest side. Ther perimeter is 45 meters. Find all three sides. \n" );
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Algebra.Com's Answer #151167 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! One side of a triangle is half the longest side. The third side is 10 meters less than the longest side. Ther perimeter is 45 meters. Find all three sides. \n" ); document.write( "--------------------- \n" ); document.write( "2x = longest side \n" ); document.write( "x = 2nd side \n" ); document.write( "2x-10 = 3rd side \n" ); document.write( "Add them up. \n" ); document.write( "2x + x + 2x-10 = 45 \n" ); document.write( "5x-10 = 45 \n" ); document.write( "5x = 55 \n" ); document.write( "x = 11 (2nd side) \n" ); document.write( "2x = 22 (longest side) \n" ); document.write( "2x-10 = 12 (3rd side) \n" ); document.write( " \n" ); document.write( " |