Question

What are the ways to derive the surface area of a cone? ​

Answer 1

Step-by-step explanation:

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The surface area of a cone is equal to the curved surface area plus the area of the base: π r 2 + π L r , \pi r^2 + \pi L r, πr2+πLr, where r denotes the radius of the base of the cone, and L denotes the slant height of the cone. The curved surface area is also called the lateral area.

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Answer 2

Answer:

by formula πrl r means radius and l means slant height