document.write( "Question 986212: The radius of a sphere is increased by 10%, the surface area increases by? \n" ); document.write( "
Algebra.Com's Answer #607027 by ikleyn(52786)\"\" \"About 
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\n" ); document.write( "If   \"r%5B2%5D%2Fr%5B1%5D\" = 1.1,   then   \"S%5B2%5D%2FS%5B1%5D\" = \"%28r%5B2%5D%2Fr%5B1%5D%29%5E2\" = \"1.1%5E2\" = 1.21.\r
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