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What is the lateral area of the cone?

What is the lateral area of the cone?-example-1

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the diameter of the base of the cone is 6 units, thus the radius of it is 3 then.


\bf \textit{lateral area of a cone}\\\\ LA=\pi r√(r^2+h^2)~~ \begin{cases} r=3\\ h=5 \end{cases}\implies LA=\pi (3)√(3^2+5^2) \\\\\\ LA=3\pi √(34)
User Ruzenhack
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