From an external point a tangent of length 9 cm is drawn to a circle of radius 12 cm

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

Problem

From an external point

P

a tangent of length 9 cm is drawn to a circle of radius 12 cm. Calculate the distance

OP

P

from the centre of the circle. (a)

9\text{ cm}

(b)

21\text{ cm}

(c)

15\text{ cm}

(d)

3\text{ cm}