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Surface area is total area covered by the entire surface of the 3-dimensional object. A cone is made of a circle the base and a cone. To find the surface area we need to add the area of circle and lateral surface area. Surface area of a cone calculator is used to find the area of cone with the given radius and height
Example 1: Calculation of the surface area of the cone:
For a given question we need to know the radius and the lateral height of the cone.
If the radius is donated by R and the lateral height is donated by H.
Area of circle = π R2
Lateral surface area = 2πH
Surface area of the cone = πR2 + 2πH
Example 2: Find the surface area of cone if height of the cone is given?
For a given question we know the radius R of the cone. And the height h is given.
We will find the lateral height of the cone by Pythagorean Theorem
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