Mensurationeasy · Past Paper
If the base radius of a cone is 3 cm and its height is 4 cm, find its volume.
A12π cm^3
B36π cm^3
C15π cm^3
D48π cm^3
✓ Correct Answer: A — 12π cm^3
V = (1/3)π(3^2)(4) = (1/3)π(9)(4) = 12π cm^3.
Share this question
More from Mensuration
- A leaf-like shape is formed by two quadrants of radius 7 cm intersecting within a square. What is the area of this leaf?
- A room's dimensions are 5m x 4m x 3m. It has one door of 2m x 1m and two windows of 1m x 1m each. Find the area of the walls to be painted.
- The area of a circle and a square are equal. What is the ratio of the side of the square to the radius of the circle?
- Find the area of a quadrant of a circle whose radius is 7 cm.
- Find the area of a rhombus if its side is 5 and one diagonal is 6.