mohamedcool224ovi7p4 mohamedcool224ovi7p4

07-01-2018
Mathematics

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use the net find the surface area of the cylinder give your answer in terms of Pi

use the net find the surface area of the cylinder give your answer in terms of Pi class=

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cdw2014 cdw2014

07-01-2018

If the net was folded into a cylinder, the length of the rentangle would be the circumference of the circle since it wraps around it.
C = 2pi*r
So 2pi*3 = 6pi
Then multiply by the height to get 84pi

Then the area of a circle is pi*r^2
We have two circles so 2 * pi * 3^2 = 18pi

Add to get 84pi + 18pi = 102pi.

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