The bisectors of ∠B and ∠C of an isosceles Δ ABC with AB = AC intersect each other at a point O. Show that the exterior angle adjacent to ∠ABC is equal to ∠BOC.

The bisectors of ∠B and ∠C of an isosceles Δ ABC with AB = AC int

1.	The bisectors of ∠B and ∠C of an isosceles Δ ABC with AB = AC intersect each other at a point O. Show that the exterior angle adjacent to ∠ABC is equal to ∠BOC.
Answer» $The bisectors of ∠ B a n d ∠ C of an isosceles Δ ABC with AB = AC intersect each other at a point O. Show that the exterior angle adjacent to ∠ A B C is equal to ∠ B O C .$