document.write( "Question 307719: The formula for the surface area of a sphere is A=4nr2. A square sticker of side x if placed on a ball of radius 3x. What is the surface area of a sphere not covered by the sticker? We must answer in a factored form. Thank you. \n" ); document.write( "

Algebra.Com's Answer #220112 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

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The formula for the surface area of a sphere is A=4*pi*r^2.
\n" ); document.write( " A square sticker of side x if placed on a ball of radius 3x.
\n" ); document.write( "What is the surface area of a sphere not covered by the sticker?
\n" ); document.write( " We must answer in a factored form.
\n" ); document.write( ":
\n" ); document.write( "S.A = $\"4%2Api%2A%283x%29%5E2+-+x%5E2\"$
\n" ); document.write( ":
\n" ); document.write( "S.A = $\"4%2Api%2A9x%5E2+-+x%5E2\"$
\n" ); document.write( ":
\n" ); document.write( "S.A = $\"36%2Api%2Ax%5E2+-+x%5E2\"$
\n" ); document.write( ":
\n" ); document.write( "S.A = $\"x%5E2%2836%2Api+-+1%29\"$ \n" ); document.write( "

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