Saved Bookmarks
| 1. |
From figure, find ∠x. Here BO and CO are bisectors of ∠B and ∠C respectively. |
|
Answer» We know that ∠BOC = 90° + \(\frac { 1 }{ 2 }\) ∠A ∵ ∠A = 80° ⇒ ∠BOC = 90° + \(\frac { 1 }{ 2 }\) x 80° = 90° + 40° = 130° |
|