Identify the angles given in the figure. 
Assume that $$\displaystyle AB\parallel CD$$ and EF is transversal.
  • A
    Interior alternate angles
  • B
    Adjacent angles
  • C
    Corresponding angles
  • D
    Exterior Alternate angles


The angles marked in the figure are on opposite sides of the transversal and in the interior side of the parallel lines and are hence called interior alternate angles.