A piece of wire 20 cm long is bent into the from of an arc of a circle, subtending an angle of `60^(@)` at its centre. Find the radius of the circle.

A piece of wire 20 cm long is bent into the form of an arc of a circle, subtending an angle of 60^(@) at its centre. Find the radius of the circle.

A piece of wire 20 cm long is bent into the form of an arc of a circle subtending an angle of 60^(@) at its centre. Find the radius of the circle.

A piece of wire 22 cm long is bent into the form of an arc of a circle subtending an angle of 60^(@) at its centre. Find the radius of the circle. ["Use" pi = (22)/(7)]

A piece of wire 11 cm long is bent into the form of an arc of a circle subtending an angle of 45^(@) at its centre. Find the radius of the circle.

If the piece of wire 25 cm long is bent into an arc of a circle subtending an angle of 75^(@) at the centre , then the radius of the circle ( in cm ) is :

Find the length of an arc of circle which subtends an angle of 108^@ at the centre, if the radius of the circle is 15cms.

An arc of length 20 pi cm subtends an angle of 144o at the centre of a circle.Find the radius of the circle.

The length of an arc of a circle, subtending an angle of 54^(@) at the centre is 16.5cm. Calculate the radius, circumference and area of the circle.