Complete the proof by filling in the missing statements and reasons.
Given: | ℓ ‖ m |
∠ 3 ≅ ∠ 4 | |
Prove: | ℓ ‖ n |
PROOF | |
Statements | Reasons |
1. ℓ ‖ m | 1. ? |
2. ∠1 ≅ ∠ 2 | 2. ? |
3. ∠2 ≅ ∠3 | 3. If two lines intersect, the vertical ∠ s formed are ≅ |
4. ? | 4. Given |
5. ∠1 ≅ ∠4 | 5. Transitive Prop. of ≅ |
6. ? | 6. ? |
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