By Lisa Kelly on the 11th of June, 2012

The surface area of a cone is given by the formula:A=πr(r+s)

Where r=radius of the circle, and s=length of the slant.

Refine By Lee Mansfield on the 14th of June, 2012

Suggested reading…

Just use these simple equations;

Formula for Surface Area :

Cylinder = 2πr² + 2πrL (L is the length of the cylinder)

Cone = πr² + πrL (L is the length from the point of the cone to the edge of the base)

Sphere = 4πr2

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