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:

In the given figure, TB is a chord which passes through the centre of

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

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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:

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