document.write( "Question 734820: suppose you double the radius of a right cylinder
\n" ); document.write( "a how does that affect the lateral area?
\n" ); document.write( "b how does that affect the surface area?
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Algebra.Com's Answer #449139 by Alan3354(69443)\"\" \"About 
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suppose you double the radius of a right cylinder
\n" ); document.write( "a how does that affect the lateral area?
\n" ); document.write( "\"LA+=+2pi%2Ar%2Ah\"
\n" ); document.write( "r^1 --> 2x the Lateral Area
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\n" ); document.write( "b how does that affect the surface area?
\n" ); document.write( "Area of ends = pi*r^2
\n" ); document.write( "r^2 --> 4x the area of the ends
\n" ); document.write( "The total surface area is the sum of the LA and the 2 ends
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