Find the angle in radians as well as in degrees through which a pendulum swings if its length is 45 cm and its tip describes an arc of length 11 cm
We know that l = r × θ
Here l = length of arc = 11 cm
R = radius = length of pendulum = 45 cm
We need to find θ
11 = 45 x θ
θ in degree = 
1