- 75°
- 60°
- 45°
- 80°

Option 2 : 60°

Free

CT 1: General Knowledge (History Part 1)

17376

10 Questions
20 Marks
12 Mins

**Given:**

∠BAC = 60°

**Concept used:**

The angle subtended by an arc of a circle at the center is double the angle subtended by it any point on the remaining part of the circle.

**Calculation:**

∠BIC = 2 × ∠BAC = 2 × 60° = 120°

∴ ∠BID = ∠DIC = 120°/2 = 60°

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