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, then the radius of the circle is

(A) 7 cm 

(B) 12 cm

(C) 15 cm 

(D) 24 .5 cm

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1 Answers

Correct option is: (A) 7 cm

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