

InterviewSolution
Saved Bookmarks
1. |
The radius of a sphere is 3.5 cm. Find it’s surface area. |
Answer» Given, r = 3.5 cm Surface area of sphere = 4πr2 = 4 × \(\frac{22}{7}\) × 3.5 × 3.5 = \(\frac{88\times12.25}{7}\) = 154 cm2 |
|