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It depends whether you want lateral or surface area. Lateral area is only the area of everything except the two bases. Surface area is the total area.

Lateral area formula: pH or perimeter(of base) x height

In this case, since this is a cylinder, the perimeter will be pi(diameter).

Surface area: pH + 2B

B= area of base

So the equation would be: 10pi(9) + 2(pi x 5 squared)

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Q: How do you find the area of a cylinder if the radius is 5 and a height of 9?
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