Question

. From an external point Q, the length of tangent to a circle is 12 cm and
the distance of Q from the centre of circle is 13 cm. The radius of circle
(in cm) is
(a) 10 (6) 5
(c) 12
(d) 7​

Answer 1

Answer:

The answer is 5 by pythagoras theorem

Answer 2

Answer:

By Pythagoras theorem,

13^2 - 12^2 = radius^2

169-144= radius^2

25=radius^2

5=radius

therefore,

your answer is option (B) 5cm

(B) 5cm

Please mark it as brainlist.