Find the length of the chord which subtends an angle of `90^(@)` at the centre 'O' and which is at a distance of 6 cm from the centre.

Find the length of the chord which substends an angle of 120^(@) at the centre 'O' and which is at a distance of 5 m from the centre.

Find the length of the chord which subtends an angle of 120^(@) at the centre of the circle of radius 6 cm.

Find the length of the chord which subtends an angle of 120^(@) at the centre of the circle of radius 6 cm.

Find the length of the chord which subtends an angle of 120^(@) at the centre of the circle of radius 6 cm.

Find the length of the chord subtending an angle of 120^(@) at the centre of the circle whose radius is 4 cm.

A chord of length 10 cm subtends an angle of 120^(@) at the centre of the circle. Find the distance of the chord from the centre.

What is the length of the chord of a unit circle which subtends an angle at the centre ?

Prove that the lengths of the chord of a circle which subtends an angle 108^(@) at the centre is equal to the sum of the lenths of the chords which subtend angles 36^(@) and 60^(@) at the centre of the same circle.

Find the length of a chord which is at a distance of3 cm from the centre of a circle of radius 5 cm.