Area of the sector $\"\"$ , where $\"\"$ is the radius of the circle and $\"\"$ is the central angle.

Radius of the circle $\"\"$ feet.

Central angle $\"\"$ radians.

Consider $\"\"$ .

Substitute corresponding values in above formula..

$\"A$

$\"\"$

Thus, area of the sector is 36 square feet.

Area of the sector is 36 square feet.