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Gnoma [55]
3 years ago
9

Someone please help?

Mathematics
1 answer:
Nastasia [14]3 years ago
3 0

Step-by-step explanation:

1=2 given

also 1=3. [ vertical opposite angles are equal]

From above equations:

2=3

corresponding angles are equal which means both lines are parallel.

Hope thus will help:)

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