The measure of central angle of a circle is `60^(@)` and the radius of circle is 21 cm. Find the area of the sector associated withh the central angle.

The radius of a circle is 3.6 cm. Find the length of the arc of the sector with central angle 36^(@)

The radius of a circle is 3.6 cm. Find the length of the arc of the sector with central angle 36^(@)

The angle at the center of a sector of a circle is 60^@ and the radius of the circle is 21 cm.Find the perimeter and the area of the sector of the circle.

The circumference of a circle is 8 cm. Find the area of the sector whose central angle is 72^(@) .

The radius of a circle is 14 cm and the area of the sector is 102.7 cm^(2) . Find the central angle of the sector.

The radius of a circle is 14 cm and the area of the sector is 102.7 cm^(2) . Find the central angle of the sector.

Radius of a circle is 10 cm. Measure of an arc of the circle 54^@ . Find the area of the sector associated with the arc. (pi=3.14)

Radius of a circle is 10 cm. Measure of an are fo the circle is 54^@ . Find the area of the sector associated with the arc. ( pi=3.14 )

Find the area of the sector of a circle of angle 120^(@) , if the radius of the circle is 21 cm.