Mensurationmedium · Past Paper
A sphere is inscribed in a cube of side 6 cm. What is the surface area of the sphere?
A36π sq. cm
B144π sq. cm
C24π sq. cm
D72π sq. cm
✓ Correct Answer: A — 36π sq. cm
Diameter of sphere = side of cube = 6 cm. Radius = 3 cm. Area = 4π * 3² = 36π sq. cm.
Share this question
More from Mensuration
- Find the area of a square whose diagonal is 10 cm.
- The total surface area of a right circular cylinder is 231 cm². If its curved surface area is two-thirds of its total surface area, find the radius.
- A tank is 5m long, 4m wide and 3m high. If it is half full of water, what is the volume of water?
- What is the volume of a sphere whose radius is 0.75 times its diameter?
- A cylinder and a cone have equal radii and their heights are in the ratio 2:3. What is the ratio of their volumes?