Drawing isometric shapes

This task is about drawing 3-D shapes on isometric paper.
a)
Draw Shape A on the isometric paper below from the front right hand corner view as indicated.
 
isometric-horizontal.png
 
b)
Draw Shape B on the isometric paper below from the front left hand corner view as indicated.
 
isometric-horizontal.png
 
c)
Draw Shape C on the isometric paper below from the front right-hand corner view as indicated.
 
isometric-horizontal.png