Answer: ∠R=∠Z
∠Q=∠Y

Explanation:
Given:- △PQR is similar to △XYZ .
To write corresponding parts just write the letter according to the same place.
Then ∠R=∠Z [last letter of both triangles's name]
∠Q=∠Y [mid letter of both triangles's name]
[first two letters]
[last two letters]