Draw a circle of circle of radius 4 cm. Construct a pair of tangents to it, the angle between which is 60°.

Steps of construction:

1. Take a point O and draw a circle of radius OA = 4 cm.

2. Produce OA to B such that OA = AB = 4 cm

3. Draw a circle with centre at A and radius AB.Let it cut the circle at P and Q.Join BP and BQ to get the desired tangents.