document.write( "Question 391535: a rectangle has a length that is three times its width. the diagonal of the rectangle is 50cm. find the width of the rectangle \n" ); document.write( "

Algebra.Com's Answer #277778 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,         
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document.write( "Let x AND 3x represent the width and length respecively
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document.write( "Applying the Pythagorean theorem
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document.write( " x^2 + (3x)^2 = 50cm  
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document.write( " x^2 + 9x^2 = 50
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document.write( "  10x^2 = 50
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document.write( "    x^2  = 5
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document.write( "   , the width of the rectangle      \n" );
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