From an external point

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

Problem

P

, two tangents

PA

and

PB

are drawn to a circle. If

PA = 9\,\text{cm}

and the chord

AB

12\,\text{cm}

long, what is the perimeter of

\triangle PAB

? (a)

27\text{ cm}

(b)

30\text{ cm}

(c)

24\text{ cm}

(d)

18\text{ cm}