Two circles have radii and

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

Problem

Two circles have radii

r_1

and

r_2

. An angular displacement of

\theta

radians is swept out in each circle. If

s_1

and

s_2

are the corresponding arc lengths, the ratio

\dfrac{s_1}{s_2}

is (a)

\dfrac{r_2}{r_1}

(b)

\dfrac{r_1^{2}}{r_2^{2}}

(c)

\dfrac{r_1}{r_2}

(d)

1