Next Post Test: Foundations of Geometry
Glven: Une a and line b Intersect
Prove: 1 2 3
Statements
Reasons
1. Line a and line b Intersect
1. given
2. ?
2.?
3. $3 is supplementary to $2
3. linear pair theorem
14. 1 ~ *
4. congruent supplements theorem
Which statement and reason best completes the proof?
2. definition of supplementary angles
2. linear pair theorem
OA 2. m 1 + m $4 = 180°
OB. 2. $2 is supplementary to $4
OC. 2m 2 + m *3 = 180°
2. $1 is supplementary to $2
2. definition of supplementary angles
OD
2. linear pair theorem