Find the angle subtended at the centre of a circle of radius 5cm by an arc of length 
cm.
Arc length = 
Radius of circle = 5cm
Formula:
Arc length = r×q
r = radius of circle
q = angle subtended by arc at the center
2
Find the angle subtended at the centre of a circle of radius 5cm by an arc of length cm.
Arc length =
Radius of circle = 5cm
Formula:
Arc length = r×q
r = radius of circle
q = angle subtended by arc at the center