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1. |
In the given figure, TB is a chord which passes through the centre of the circle. PT is a tangent to the circle at the point T on the circle. If PT = 10 cm, PA = 5 cm and AB = x cm, then the radius of the circle is: |
A. | \(5\sqrt{3} \) cm |
B. | \(6\sqrt{3} \) cm |
C. | \(3\sqrt{3} \) cm |
D. | \(10 \sqrt{3}\) cm |
Answer» B. \(6\sqrt{3} \) cm | |