document.write( "Question 306993: A classroom globe has a diameter of 18 inches.
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Algebra.Com's Answer #219604 by mananth(16946)\"\" \"About 
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Diameter of globe = 18 inches
\n" ); document.write( "radius =9\r
\n" ); document.write( "\n" ); document.write( "surface area of sphere = 4pir^2\r
\n" ); document.write( "\n" ); document.write( "=4*3.14*9*9\r
\n" ); document.write( "\n" ); document.write( "1017.36 sq. inches
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