Saved Bookmarks
| 1. |
If the radius of sphere is doubled find the %change in volume |
|
Answer» Step-by-step explanation: Now the surface area = 4π(r) ² = 4πr² The radius of the sphere is doubled. The radius = 2r. Now the surface area = 4π(2r)² = 16πr² . Increase % in area = 16πr²-4πr²/4πr² * 100 = 12/4*100 = 300% . |
|