1.

If O is the centre of a circle of radius r and AB is a chord of the circle at a distance r/2 from O, then ∠BAO =(a) 60°(b) 45°(c) 30°(d) 15°

Answer» If O is the centre of a circle of radius r and AB is a chord of the circle at a distance r/2 from O, then ∠BAO =



(a) 60°



(b) 45°



(c) 30°



(d) 15°


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