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What is Surface area of a cylinder with 7in radius and 22in length?
Wiki User
∙ 14y ago
The formula for the surface area (SA) of a cylinder is:
SA = 2*pi * r^2 + 2*pi * r * h
By plugging in the values given here, (r = 7, h = 22), you get:
SA = 2*pi * 7^2 + 2*pi * 7 * 22
SA = 2*pi * 49 + 2*pi *154
SA = 98*pi + 308*pi
SA =406*pi
SA = 1,275.49 inches squared
Wiki User
∙ 14y ago
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