Homework Help: geometry

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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