The distance between an external point and the centre of a circle is

MATHEMATICS · Single correct · CBSE · Mathematics · Circles · Circles

Problem

The distance between an external point

P

and the centre

O

of a circle is

15\,\text{cm}

. If the radius of the circle is

9\,\text{cm}

, find the length of the tangent drawn from

P

to the circle. (a)

24\,\text{cm}

(b)

18\,\text{cm}

(c)

12\,\text{cm}

(d)

6\,\text{cm}