Mensurationmedium · Past Paper
If the total surface area of a cube is 216 cm², find its side length.
A4 cm
B5 cm
C6 cm
D8 cm
✓ Correct Answer: C — 6 cm
6l² = 216 => l² = 36 => l = 6 cm.
Share this question
More from Mensuration
- A cuboid has its length, breadth and height in the ratio 3:2:1 and its total surface area is 88 cm². Find its length.
- If radius of a cylinder is doubled and height is halved, the TSA:
- A well is dug with 14 m diameter and 10 m depth. What is the volume of earth removed?
- If the diameter of a sphere is 14 cm, what is its surface area?
- The surface area of a sphere is 'S'. If its radius is tripled, the new surface area is: