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Answer:
125°
Step-by-step explanation:
BI and CI are the angle bisector
∴ ∠CBI = 30° and ∠BCI = 25°
In ΔBIC
∠CBI + ∠BCI + ∠BIC = 180°
30° + 25° + ∠BIC = 180°
∠BIC = 180° - 55°
∴ ∠BIC = 125°
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