MCQOPTIONS
Saved Bookmarks
| 1. |
In the given figure, \[BO\] and \[CO\] are angle bisectors of external angles of\[\Delta ABC\]. Find\[\angle BOC\]. |
| A. | \[{{90}^{o}}-\frac{1}{2}\angle A\] |
| B. | \[{{90}^{o}}+\frac{1}{2}\angle A\] |
| C. | \[{{180}^{o}}-\frac{1}{2}\angle A\] |
| D. | \[{{180}^{o}}+\frac{1}{2}\angle A\] |
| Answer» B. \[{{90}^{o}}+\frac{1}{2}\angle A\] | |