Listen What is the reason for 4 Prove Corresponding Angles 7 5 3 8 1 6 2 m n Given 23 and 27 are corresponding angles Prove 43 27 Statements 1 23 and 27 are corresponding angles 2 3 26 27 4 3 27 Reasons 1 2 3 Vertical Angles Congruency Theorem 4