document.write( "Question 1044022: What is the expression for the area of the circle which has a circumference of C? Express your answers as a rational expression in terms of C and pi.
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document.write( "In China, spheres are used to exercise a person's hands. if the diameter of a sphere is 2 inches how many square inches are in its surface area express your answer in terms of pi \n" );
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Algebra.Com's Answer #659245 by addingup(3677)![]() ![]() You can put this solution on YOUR website! circumference of the circle: \n" ); document.write( "pi*2r = C \n" ); document.write( "Area: \n" ); document.write( "pi*r^2 \n" ); document.write( "------------------------------ \n" ); document.write( "4*pi*r^2 area \n" ); document.write( "4*pi*2^2 = area \n" ); document.write( "4*4*pi = area \n" ); document.write( "16pi = area \n" ); document.write( " \n" ); document.write( " |