Provide the missing statements and reasons for the following proof: +
n
a
Given: Line m is parallel to line n.
Prove: Z1 is supplementary to 22.
Statement
Reason
51
R1. Given
S2
R2. Corresponding Angles Postulate
S3 m2 m3
R3
R4 Definition of Linear Pain
S4 1 and 23 for a Linear Pair
S5. 21 is supplementary to 23
S6 m2 1 + m23 = 180°
R5
R6. Definition of supplementary
R7 Substitution Property of Equality
S7
S8. 21 is supplementary to 22
R8 Definition of supplementary