document.write( "Question 751782: The height of the cylinder is three times the diameter of the base. The surface area of the cylinder is 126. What is the radius of the base \n" ); document.write( "
Algebra.Com's Answer #457397 by tommyt3rd(5050)\"\" \"About 
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h=3d=3(2r)=6r\r
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\n" ); document.write( "\n" ); document.write( "\"%0D%0AA%5Bs%5D=2%2Api%2Ar%5E2%2Bh%282%2Api%2Ar%29%0D%0A\"\r
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\n" ); document.write( "\n" ); document.write( "\"%0D%0AA%5Bs%5D=2%2Api%2Ar%5E2%2B6r%282%2Api%2Ar%29=14%2Api%2Ar%5E2%0D%0A\"\r
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\n" ); document.write( "\n" ); document.write( "so that\r
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\n" ); document.write( "\n" ); document.write( "\"%0D%0A126=14%2Api%2Ar%5E2%0D%0A\"\r
\n" ); document.write( "\n" ); document.write( "\"%0D%0Ar=3%2Fsqrt%28pi%29%29%0D%0A\"\r
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\n" ); document.write( "\n" ); document.write( ":)
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