Select the correct answer.
Given: Line l and line m intersect
Prove:
Image of perpendicular lines l and m with 1, 2, 3, and 4 as angles at the point of intersection
Statements Reasons
1. Line l and line m intersect 1. given
2.
is supplementary to
2. linear pair theorem
3. ? 3. ?
4.
4. congruent supplements theorem
Which statement and reason best completes the proof?
A.
3.
is supplementary to
3. linear pair theorem
B.
3.
3. definition of supplementary angles
C.
3.
is supplementary to
3. linear pair theorem
D.
3.
3. definition of supplementary angles
