Daniel is constructing a fence that consists of parallel sides AB and EF. Complete the proof to explain how he can show that m. GKB-120 by filling in the missing
justifications
Statement
Justification
AB EF
m. ELJ 120"
Given
m. ELJ + m. ELK - 180°
Linear Pair Postulate
m BKL m GKB-180
Linear Pair Postulate
m. ELJ + m. ELKm
BKL
m. GKB Transitive Property
ELK - BKL
m. ELKm .BKL
m. ELJ + m. ELK
m. ELK+m GKB Substitution Property
Subtraction Property
m. ELJ - m GKB
m. GKB-m. ELJ
Symmetric Property
m. GKB120
Substitution
1. Alternate Interior Anglos Theorem; 2. Definition of Congruence
1. Alternate Exterior Anglos Theorem: 2. Substitution Property
1. Definition of Congruence; 2. Alternate Interior Anglos Theorem
1. Substitution Property, 2. Alternate Exterior Anglos Theorem