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# Surface Area of a Cone

Formula and Examples of Surface Area of A Cone

##### A cone has two main 'surface areas'

The lateral surface area: this is the red region on the 'side' of the cone. (formula for lateral surface area)

The total surfrace area: this is the lateral surface area plus the area of the circular bottom.

### Formula for Lateral Surface Area

The total area of a cone is the sum is of the lateral surface area and the area of the circular bottom of the cone.