Use the net to find the surface area of the cylinder

Step-by-step explanation:

To find the surface area of the cylinder you must apply the following proccedure:

- Calculate the surface area of the circles. They are equal, then you can multiply the surface area of a circle by 2:

Where r is the radius.

- Calculate the surface area of the rectangle:

Where l is the lenght and w is the width.

(The length is the circumference of the circle)

Then:

- Add the areas obtained.

The result is:

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