The arc length of a sector of a circle is and this arc forms one-fifth of the entire…

MATHEMATICS · Multi-part · CBSE · Mathematics · Areas Related to Circles · Areas Related to Circles

Problem

The arc length of a sector of a circle is

26.4\,\text{cm}

and this arc forms one-fifth of the entire circumference of the circle (take

\pi = 3.14

). (a) Calculate the radius of the circle. (b) Using this radius, find the area of the sector in cm

^2