Question

Find the area of sector of circle having radius $6$ $cm$ and length of the arc $15$ $cm$.

Answer 1

Given : Radius $r=6$ $cm$, length of arc, $l=15$ $cm$.
Area of sector, $A=\frac{r}{2}\times$ Length of arc
$=\frac{6}{2}\times 15$
$=45{cm}^2$