AB || DE, BC || EF and AC || DF ∴ ∠DPQ = ∠ABC = 90° (Corresponding angles) Also DEF ∠DPQ = 90° (Corresponding angles) Hence, statement I is correct. In ΔABC and ΔDEF ∠ABC = ∠DEF = 90° ∠ACB = ∠DFE (∠ACB = ∠DQP = ∠DFE) ∴ ΔABC ~ΔDEF (AA Similarity) Hence, statement II is incorrect.