MCQOPTIONS
Saved Bookmarks
| 1. |
The centre of gravity of a semi-circle lies at a distance of measured along the vertical radius. |
| A. | 3r/8 |
| B. | 4r/3π |
| C. | 8r/3 |
| D. | 3r/4π |
| Answer» C. 8r/3 | |