document.write( "Question 193719: a circle has a diameter of 4'3 9/16\" what is the area of the circle in square inches? what is the area in square feet?
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document.write( "a=pie(don't know where sign is on computer) a = pie x r2
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document.write( "r2= 51.5625 r = 25.78125in2 pie x 25.78125 in2 = 2087.07in2
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document.write( "so area of circle in2 = 2807.07in2?
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document.write( "area of circle in square feet = 28.9870ft2?\r
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document.write( "hope you can understand that! Thanks alot Tammy \n" );
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Algebra.Com's Answer #145431 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a circle has a diameter of 4'3 9/16\" what is the area of the circle in square inches? what is the area in square feet? \n" ); document.write( "Area = pi x r^2 \n" ); document.write( "diameter = 51.5625 in \n" ); document.write( "radius = 25.78125 in ; r^2 = 664.67 \n" ); document.write( "so area of circle = (pi)r^2 = 2088.12 sq. in. \n" ); document.write( "area of circle in square feet = (2088.12 sq. in.)/(12^2 sq. in) = 14.5 sq ft \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |