Proof for Question 2
 |
 |
Statements |
Reasons |
||
1. |
 |
1. |
Given |
2. |
∠1  ∠2 |
2. |
Angle bisector is a ray in interior of angle forming 2 congruent angles. |
3. |
∠1 ∠A |
3. |
If 2 || lines are cut by a transversal, the corresponding ∠s are congruent. |
4. |
∠2 ∠B |
4. |
If 2 || lines are cut by a transversal, the alternate interior ∠s are congruent. |
5. |
∠A ∠B |
5. |
Substitution |
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