In one circle

MATHEMATICS · Single correct · CBSE · Mathematics · Trigonometric Functions · Trigonometric Functions

Problem

In one circle, a central angle of

\theta

radians subtends an arc of

3\,\text{cm}

. In another circle, the same angle subtends an arc of

6\,\text{cm}

. What is the ratio of the radius of the second circle to that of the first? (a)

1:2

(b)

3:1

(c)

2:1

(d)

1:3