2*pi*r*h
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the circumfrance of the base x the height of the cylinder
Take the circumference and multiply it by it's height to get the lateral surface area.
If a is the side,lateral surface area of cube=4a2
Surface Area = 2*pi*r*h (where * means multiply)
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)