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Cone Picture

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 Picure of lateral surface area formula

Formula for Total Area of a cone
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.
Total Surface Area of a Cone
Practice Problems


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