document.write( "Question 1148876: A square rock garden with sides of 90 feet is placed in the middle of a circular grass yard. 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
\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #770203 by addingup(3677)![]() ![]() You can put this solution on YOUR website! Area of the square: 90^2 = 8100 square feet \n" ); document.write( "Area of the circumference: (520/2)^2 x 3.14 = 212264 square feet\r \n" ); document.write( "\n" ); document.write( "a) Amount of area covered by grass, measured in square feet = 212264 - 8100 = 204164\r \n" ); document.write( "\n" ); document.write( "b) Amount of area covered by grass, measured in square yards = 204164/3 = 68054.67 \n" ); document.write( " |