Mensurationeasy · Past Paper
Identify the formula for the curved surface area of a right circular cone.
A2πrh
Bπr²h
Cπrl
D2πr(r+h)
✓ Correct Answer: C — πrl
The formula for the curved surface area of a cone is πrl, where r is the radius and l is the slant height.
Share this question
More from Mensuration
- Area of a rectangle is 200, length is twice breadth. Breadth is:
- What is the volume of a cone with base radius 6 cm and vertical height 7 cm?
- Area of a rectangle is x^2 + 5x + 6. If length is x+3, breadth is:
- How many square tiles of side 2 cm are needed to cover a square floor of side 10 cm?
- What is the volume of a sphere whose radius is 3 cm? (Leave answer in terms of π)