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Debora [2.8K]
2 years ago
9

30 points, please help, no links

Mathematics
1 answer:
Svetlanka [38]2 years ago
5 0

Answer:

Step-by-step explanation:

1) r \parallel s (given)

2) \angle 2 and \angle 4 are supplementary (angles that form a linear pair are supplementary)

3) \angle 4 \cong \angle 8 (corresponding angles theorem)

4) \angle 2 and \angle 8 are supplementary (substitution)

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