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Identify the lateral area and surface area of a right cone with diameter 20 ft and slant height 32 ft.

Identify the lateral area and surface area of a right cone with diameter 20 ft and-example-1

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Given the diameter and slant height of a cone:

Diameter of the cone = 20ft


\text{radius = }\frac{\text{diameter}}{2}=(20ft)/(2)=10ft

The lateral area of a cone = πrl


\begin{gathered} \pi rl=3.142*10*\text{ 32} \\ lateralarea=1005.3 \end{gathered}

The surface area of a cone = πr² + πrl


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Identify the lateral area and surface area of a right cone with diameter 20 ft and-example-1
User Viktor Carlson
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