SOLUTION: 5. https://answers.yahoo.com/question/index?qid=20200421142850AABqqOP

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Question 1156669: 5.
https://answers.yahoo.com/question/index?qid=20200421142850AABqqOP

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
The two ends are areas of circles with radii 6. That is 36 pi for each or 72 pi m^2 altogether.
If you unwrap the cylinder, there is a rectangle with width 10 (the height0 and 2 pi r the perimeter of a circle that the cylinder is0, and that circle has radius 6, so that is 2 pi *6 or 12 pi m^2
The total is 84 pi m^2.