The steps are:
1. Draw a line AB of 5cm.
2. Draw an angle of 60° at A by protractor or compass.
3. On the line with angle 60° cut an arc of 5cm and name the point of intersection of the line and arc as D
4. Draw an angle of 120° at B.
5. On the line with angle 120° cut an arc of 5 cm and name the point of intersection of the line and arc as C.
6. Join C and D.
Rhombus ABCD is formed