document.write( "Question 1148876: A square rock garden with sides of 90 feet is placed in the middle of a circular grass yard.
\n" ); document.write( "If the circumference of the yard is 520 feet, then how much area is covered by grass?\r
\n" ); document.write( "\n" ); document.write( "For all calculations involving π, use π≈3.14.
\n" ); document.write( "Hint: Be careful that you do not do any rounding on answers until the very end of a problem part, or you could create rounding error.\r
\n" ); document.write( "\n" ); document.write( "a) Amount of area covered by grass, measured in square feet = Blank square feet.
\n" ); document.write( "DO NOT TYPE COMMAS. Round your answer to 2 decimal places as needed.\r
\n" ); document.write( "\n" ); document.write( "b) Amount of area covered by grass, measured in square yards = blank square yards.
\n" ); document.write( "Round your answer to 2 decimal places as needed
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Algebra.Com's Answer #854503 by ikleyn(53878) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "A square rock garden with sides of 90 feet is placed in the middle of a circular grass yard.
\n" ); document.write( "If the circumference of the yard is 520 feet, then how much area is covered by grass?
\n" ); document.write( "For all calculations involving π, use π≈3.14.
\n" ); document.write( "Hint: Be careful that you do not do any rounding on answers until the very end of a problem part, or you could create rounding error.
\n" ); document.write( "a) Amount of area covered by grass, measured in square feet = Blank square feet.
\n" ); document.write( "DO NOT TYPE COMMAS. Round your answer to 2 decimal places as needed.
\n" ); document.write( "b) Amount of area covered by grass, measured in square yards = blank square yards.
\n" ); document.write( "Round your answer to 2 decimal places as needed
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\n" ); document.write( "\n" ); document.write( " Calculations in the post by @addingup are fatally wrong.\r
\n" ); document.write( "\n" ); document.write( " I came to bring a correct solution.\r
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document.write( "Area of the square is 90^2 = 8100 sq. feet.\r\n" );
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document.write( "Area of the circle is   =  =  =  = 21528.66 sq. feet.\r\n" );
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document.write( "(a) The area covered by grass is  21528.66 - 8100 = 13428.66 sq. feet.\r\n" );
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document.write( "(b) Measured in square yards, this area is   = 1119.06 sq. yards  (rounded).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved correctly.\r
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