Saved Bookmarks
| 1. |
6. In AABC, if ZABC = ZACB and bisectors of ZABC and ZACB intersectato, then find the measure of ZA |
|
Answer» , by angle SUM property we have2x + 2Y + ∠A = 180°⇒ x + y + (∠A/2) = 90°⇒ x + y = 90° – (∠A/2) à (1)In ΔBOC, we have x + y + ∠BOC = 180°90° – (∠A/2) + ∠BOC = 180° [From (1)]∠BOC = 180° – 90° + (∠A/2)∠BOC = 90° + (∠A/2) |
|