- A12 cm
- B6 cm
- C24 cm
- D6√3 cm
Step-by-Step Solution
Sine rule: , so cm. (Equivalently, subtends 60° at the centre, making an equilateral triangle with the radii.)
Answer: A) 12 cm
In triangle ABC, BC = 12 cm and ∠A = 30°. What is the radius of the circle through A, B and C?
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