document.write( "Question 174099: Hello,
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document.write( "Could you give me the surface area of a cylinder when the radius is 6cm and the Length is 21cm.
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document.write( "Could you show me the full step by step guide to work this out.
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document.write( "Many thanks \n" );
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Algebra.Com's Answer #129006 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Could you give me the surface area of a cylinder when the radius is 6cm and the Length is 21cm. \n" ); document.write( ": \n" ); document.write( "The surface area of cylinder consists of the parts \n" ); document.write( "Part 1: the height times the circumference (in this case it's the length) \n" ); document.write( "Part 2: the area of the two ends \n" ); document.write( "; \n" ); document.write( "SA = (2*pi*r*h) + (2*pi*r^2) \n" ); document.write( ": \n" ); document.write( "In your problem; r=6, h=21 \n" ); document.write( "SA = (2*pi*6*21) + (2*pi*6^2) \n" ); document.write( "; \n" ); document.write( "SA = 791.68 + 266.19 \n" ); document.write( ": \n" ); document.write( "SA = 1017.87 sq/cm \n" ); document.write( " |