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Bisectors of the angles B and C of an is...

Bisectors of the angles `B` and `C` of an isosceles `Delta ABC ` with `AB``=``AC` intersect each other at `O`. Show that external angle adajcent to `angleABC` is equal to `angleBOC.`

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To prove that the external angle adjacent to angle ABC is equal to angle BOC in triangle ABC, where AB = AC, we will follow these steps: ### Step-by-Step Solution: 1. **Identify the Triangle and Angles:** - We have an isosceles triangle ABC where AB = AC. - Let the angle bisectors of angles B and C be OB and OC, respectively, intersecting at point O. ...
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