Area of a sector

Area of sector = ……….

What is the area of the sector shown in

The length of the perimeter of a sector of a circle is 20 cm. Give an expression for the area of the sector in terms of r(the radius of the circle) and hence find the maximum area of the sector.

If ABCD is a square, then the area of the sector shown in the figure is

What is the area of the sector with central angle 120^@ ?

Area of the sector is ………….time the length of its corresponding are

The angle of a sector is 120^(@) and its radius is 21 cm. The area of the sector is ______.

The perimeter of a sector is p. the area of the sector is maximum when it radius is

The perimeter of a sector is p. The area of the sector is maximum when its radius is

The perimeter of a sector is p. The area of the sector is maximum when its radius is