The area of a sector of a circle is and the length of its arc is

MATHEMATICS · Single correct · CBSE · Mathematics · Areas Related to Circles · Areas Related to Circles

Problem

The area of a sector of a circle is

246.4\,\text{cm}^2

and the length of its arc is

44\,\text{cm}

. Taking

\pi = 3.14

, determine the radius of the circle. (a)

12.6\,\text{cm}

(b)

22.4\,\text{cm}

(c)

11.2\,\text{cm}

(d)

8.9\,\text{cm}