MCQOPTIONS
Saved Bookmarks
| 1. |
The height of a solid cylinder is 30 cm and the diameter of its base is 10 cm. Two identical conical holes each of radius 5 cm and height 12 cm are drilled out. What is the surface area (in cm2) of the remaining solid? |
| A. | 430π |
| B. | 120π |
| C. | 33π |
| D. | 230π |
| Answer» B. 120π | |