Answer:
The correct option is 2.
Step-by-step explanation:
From the given figure it is clear that the lines DE║RK, in triangle ODE and triangle OKR,
(Vertical opposite angles)
(Alternate interior angles)
(Alternate interior angles)
By using AA property of similarity,

D is correspondence to K, O is correspondence to O, E is correspondence to R.
O ↔ O
Therefore the correct option is 2.