Question

You are given the following information about triangle PQR and triangle XYZ.

I. angle P is congruent to angle X

II. angle Q is congruent to angle Y

III. Segment PQ is congruent to segment XY

IV. Segment QR is congruent to segment YZ

Which combination cannot be used to prove that triangle PQR is congruent to triangle XYZ?

Answer I, II, and III
II, III, and IV
I, III, and IV
I, II, and IV