Mensurationeasy · Past Paper
If the diameter of a sphere is 14 cm, what is its surface area?
A154 cm²
B308 cm²
C616 cm²
D462 cm²
✓ Correct Answer: C — 616 cm²
r = 7 cm. Area = 4πr² = 4 * (22/7) * 49 = 616 cm².
Share this question
More from Mensuration
- The area of the largest triangle that can be inscribed in a semi-circle of radius r is:
- A cube has a volume of 512 cm^3. What is the area of one of its faces?
- Find area of triangle with medians 9, 12, 15 cm.
- If the sides of a triangle are in the ratio 3:4:5 and its perimeter is 36 cm, find its area.
- Find the area of the smallest square that can contain a circle of area 154 sq. cm.