Question

Radius of a sector of circle is $3.5cm$ and length of its arc is $2.2cm$. Find the area of the sector.

Answer 1

Given,

Radius of sector $=r=3.5$

Length of arc $=l=2.2$

$Area=\frac{1}{2}\times r\times l$

$=\frac{1}{2}\times 3.5\times 2.2$

$=3.85c{m}^2$