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Posted by on Wednesday, May 25, 2011 at 2:00pm.

A right cylinder has a radius of 2 feet and a height of 5 feet. Find the surface area of the cylinder.

What formula should I be using ? My answer should be 28pi ft^2

I didn't get this using 2pi.h + 2pir^2

  • Geometry - , Wednesday, May 25, 2011 at 2:06pm

    I got it- I was actually doing the pi

    I figured separately
    2.5=20pi & pi(2.4)=8
    20+8 = 28pit^2

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