Anonymous

I Need To Know The Formula To Calculate The Area Of A Cylinder?

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Sehar Suleman Profile
Sehar Suleman answered
Area of the cylinder = base area x height.

Since a cylinder has a circular base, the base area = ∏r²

Therefore:
A = ∏r²h (where A is the area, h is the height and, r is the base radius and ∏ = 22/7)
thanked the writer.
Anonymous
Anonymous commented
This will give you the volume of a cylinder, not the surface area. The surface area is the area of the two ends (2∏r²) (if the cylinder has ends, e.g. A tin can) plus the area of the curved surface (Height x circumference = Hx2∏r). Therefore the total surface area A = 2(∏r² + H∏r) or more simply A= 2∏r(r + H).
L Lee Profile
L Lee answered
If you really mean the AREA of a cylinder, you must mean the Surface Area. For that, imagine cutting the cylinder (a can) downward and flattening it out. The surface area of the cylinder is area of the rectangle formed, whose height is the same as the height of the can, and whose length is the circumference of the can's top, or 2 x Pi x Radius.If you mean the VOLUME of a cylinder (a can), it's Pi x R squared x H.
Anonymous Profile
Anonymous answered
V=pie x radius(squared) x height
Anonymous Profile
Anonymous answered
I need to know to calculate the cross sectional area of cylinder.
Anonymous Profile
Anonymous answered
I need to know how to find the volume of a cylinder with out the height measurements

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