A sector of a circle has arc length and radius

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

Problem

A sector of a circle has arc length

11\,\text{cm}

and radius

7\,\text{cm}

. Using

\pi = \dfrac{22}{7}

, find the area of the sector. (a)

24.5\,\text{cm}^2

(b)

77\,\text{cm}^2

(c)

38.5\,\text{cm}^2

(d)

19.25\,\text{cm}^2