document.write( "Question 733934: The length and width of a rectangular field are in the ratio 4:3. If the area is 432 square units, find its perimeter.\r
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document.write( "What I have done so far was multiply 4 by 3 and divided the product by 432. \n" );
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Algebra.Com's Answer #448654 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 4x*3x=432 \n" ); document.write( "12x^2=432 \n" ); document.write( "x^2=432/12 \n" ); document.write( "x^2=36 \n" ); document.write( "x=sqrt 36 \n" ); document.write( "x=6 \n" ); document.write( "4x=24 \n" ); document.write( "3x=18 \n" ); document.write( "------------- \n" ); document.write( "P=2(24)+2(18) \n" ); document.write( "P=48+36 \n" ); document.write( "P=84 units \n" ); document.write( " |