From a point Q, the length of the tangent to a circle is 24 cm and the distance of Q from the centre is 25 cm. The radius of the circle is
(A) 7 cm (B) 12 cm
(C) 15 cm (D) 24.5 cm
Let O be the centre of the circle.
OQ = 25cm and PQ = 24 cm
As the radius is perpendicular to th...
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