[" What is the length of the chord of a "],[" unit circle which subtends an angle "theta],[" at the centre? "]

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

Find the length of the chord of a circle of radius 8 cm which subtends a right 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.

Consider a circle of radius R. What is the lengths of a chord which subtends an angle theta at the centre ?

Let p and q be the length of two chords of a circle which subtend angles 36^@ and 60^@ respectively at the centre of the circle . Then , the angle (in radian) subtended by the chord of length p + q at the centre of the circle is (use pi=3.1 )

What is the area of a segment of a circle of radius r subtending an angle theta at the centre ?

An arc of length of length 19 cm of a circle of radius 30 cm, subtends an angle theta at the centre O. Then value of theta is: