The external bisector of $\angle B$ and $\angle C$ of $\triangle ABC$ meet at point $I$. If $\angle A = 50^\circ$, what is the measure of $\angle BIC$?
Options:
- A: 65°
- B: 115°
- C: 55°
- D: 125°
Related Practice Questions:
- Which of the following artifacts, extensively found at Burzahom and Gufkral, specifically indicates that the Neolithic inhabitants of Kashmir practiced sewing animal skins for clothing to survive the harsh winters?
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- The first human colonization of the fertile Ganga plains, as evidenced by archaeological discoveries at Sarai Nahar Rai and Mahadaha, took place during which period?
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