An arc of a circle is long and subtends a central angle of

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

Problem

An arc of a circle is

15\,\text{cm}

long and subtends a central angle of

3\,\text{radians}

. Find the radius of the circle. (a)

10\,\text{cm}

(b)

2.5\,\text{cm}

(c)

5\,\text{cm}

(d)

5\pi\,\text{cm}