document.write( "Question 418578: If the length of a rectangle is 3 times its width, and if its area is 108, what is its perimeter?
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Algebra.Com's Answer #292891 by mananth(16946)![]() ![]() You can put this solution on YOUR website! width=x \n" ); document.write( "length = 3x \n" ); document.write( "3x*x=108 \n" ); document.write( "3x^2=108 \n" ); document.write( "x^2=36 \n" ); document.write( "x=6 the width \n" ); document.write( "Length = 18 \n" ); document.write( ".. \n" ); document.write( "Perimeter = 2*(L+W) \n" ); document.write( "Perimeter =2*(6+18) \n" ); document.write( "Perimeter = 48 units \n" ); document.write( " |