1) Draw base ( BC ) of 5.5cm
2) Place protractor on B and draw a angle 60
3)take compass of radius 5.5 cm 
4)Place compass on B and cut the angle and mark the point as A
5)Draw two arcs of radius 5.5cm from A and C which intersect
6)Mark intersecting point as D
7)Join AD and CD to get required Rhombus ABCD