document.write( "Question 198388: A landscape architect used the entire length of an 80ft rope to lay out a flower bed in the shape of a square. In another area, he used the entire length of the same rope to lay out a second flower bed in the shape of a circle.
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document.write( "Perimeter of square = 80 feet Circumference of circle = 80 feet
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document.write( "How many square feet greater is the area of one of the flower beds than the other? (use 3.14 for pi)\r
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document.write( "This looks to be from a textbook, but no reference are made on the paper.
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document.write( "Thank you! \n" );
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Algebra.Com's Answer #148909 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A landscape architect used the entire length of an 80ft rope to lay out a flower \n" ); document.write( " bed in the shape of a square. In another area, he used the entire length of the \n" ); document.write( " same rope to lay out a second flower bed in the shape of a circle.\r \n" ); document.write( "\n" ); document.write( "Perimeter of square = 80 feet Circumference of circle = 80 feet\r \n" ); document.write( "\n" ); document.write( "How many square feet greater is the area of one of the flower beds than the other? (use 3.14 for pi) \n" ); document.write( ": \n" ); document.write( "Area of the square: 20 * 20 = 400 sq/ft \n" ); document.write( ": \n" ); document.write( "Find the radius of the circle using the circumference: \n" ); document.write( "2*3.14*r = 80 \n" ); document.write( "r = \n" ); document.write( "r = 12.74 ft \n" ); document.write( ": \n" ); document.write( "Find the area of the circle using 13.03 as the radius \n" ); document.write( "A = 3.14*12.74^2 \n" ); document.write( "A = 509.6 sq/ft \n" ); document.write( "; \n" ); document.write( ": \n" ); document.write( "509.6 - 400 = 109.6 sq/ft more in the circle \n" ); document.write( " |