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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)

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

Picure of lateral surface area formula

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.
Picure of lateral surface area formula
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