What is the length of arc of a circle whose radius is 14 cm and which subtends an angle of 135o at the centre?
33 cm
22 cm
42 cm
28 cm
In a circle of radius 21 cm, an arc subtends an angle of 60∘ at the centre. The length of the arc is
(a) 21 cm (b) 22 cm (c) 18.16 cm (d) 23.5 cm
What is the length of an arc which subtends angle θ (degrees) at the center in a circle of radius r?