document.write( "Question 316674: The surface are of a basketball is 900/pi square inches. Find the radius r of the basketball. \n" ); document.write( "
Algebra.Com's Answer #226591 by stanbon(75887)\"\" \"About 
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The surface are of a basketball is 900/pi square inches. Find the radius r of the basketball.
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\n" ); document.write( "surface area of a sphere = 4*pi*r
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\n" ); document.write( "Equation:
\n" ); document.write( "4pi*r = 900/pi
\n" ); document.write( "r = 900/(4*pi^2) = 22.80 inches
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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