Posted by JOY on Thursday, May 12, 2011 at 6:21am.
Determine the surface area of a label that covers the lateral surface of a cylindrical can with height 40 mm and diameter 24 mm.

geometry  Reiny, Thursday, May 12, 2011 at 7:17am
area = 2πrh
sub in your values

geometry  JOY, Thursday, May 12, 2011 at 8:08am
I came up with 3014.4mm is this correct

geometry  Reiny, Thursday, May 12, 2011 at 8:43am
close
why don't you use the π value of your calculator?
I got 3015.93
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