4. Given: 21 22
Prove: all b
What is the missing reason in the proof?
1.41 42
2.21 24
3. 2224
1
4. all b
4
2
Statements | Reasons
1. Given
2. Vertical angles are congruent.
3.?
4. If two lines and a transversal form
congruent corresponding angles,
then the lines are parallel.
b