Math, asked by seeku8223, 1 year ago

The ratio between the radius and height of a cone is 3:4. what is the curved surface area of the cone?

Answers

Answered by santy2
2

The formula for the curved surface area of a cone is :

= πrl

Where r is the radius and l the slant height.

Radius : height = 3 : 4

Let the radius be r then the height is :

4/3r

Slant height is :

r² + (4/3r)² = r² + 16/9r²

Curved surface area :

= πr × (r² + 16/9r²) = πr³ + 16/9πr³

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