Mensurationeasy · Past Paper
Find the total surface area of a solid hemisphere of diameter 14 cm.
A154 cm²
B308 cm²
C462 cm²
D616 cm²
✓ Correct Answer: C — 462 cm²
r = 7 cm. TSA of hemisphere = 3πr² = 3 * (22/7) * 7 * 7 = 462 cm².
Share this question
More from Mensuration
- A metallic sphere of radius 10.5 cm is melted and then recast into small cones, each of radius 3.5 cm and height 3 cm. Find the number of cones.
- The total surface area of a right circular cone is 90π cm². If its radius is 5 cm, find its slant height.
- What is the area of a rhombus whose diagonals are 16 cm and 12 cm?
- Area of a rectangle with length 'x' and breadth 'y' is:
- Total surface area of a prism is given by: