From an external point P, a tangent PQ is drawn to a circle, with the centre O, touching the circle at Q. If the distance of P from theÂ centre is 13 cm and length of the tangent PQ is 12 cm, then the radius of the circle is:_x005F_x000D_ Â _x005F_x000D_

From an external point P, a tangent PQ is drawn to a circle, with the

1.	From an external point P, a tangent PQ is drawn to a circle, with the centre O, touching the circle at Q. If the distance of P from theÂ centre is 13 cm and length of the tangent PQ is 12 cm, then the radius of the circle is:_x005F_x000D_ Â _x005F_x000D_
A.	3cm
B.	5 cm
C.	10 cm
D.	12.5 cm
Answer» C. 10 cm

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From an external point P, a tangent PQ is drawn to a circle, with the centre O, touching the circle at Q. If the distance of P from theÂ centre is 13 cm and length of the tangent PQ is 12 cm, then the radius of the circle is:_x005F_x000D_ Â _x005F_x000D_

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