In a circle with centre and radius

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

Problem

In a circle with centre

O

and radius

6\,\text{cm}

, chord

AB

subtends an angle of

60^{\circ}

at the centre. What is the length of

AB

? (a)

6\sqrt{3}\,\text{cm}

(b)

6\,\text{cm}

(c)

2\pi\,\text{cm}

(d)

3\,\text{cm}