Can someone thoroughly explain how to do this proof and what thms. to use

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asked Jan 8, 2019 6.5k views

1 Answer

Justin Ngan · Answer 1 · 2019-01-12T11:23:06+0000

Angle 2 and 5 are supplementary
Given

Angle 3 is congruent to angle 2
Vertical angles are congruent

Angle 3 and 5 are supplementary
Substitution

l || m
If same side interior angles are supplementary, lines are parallel

Hope this helps!

Can someone thoroughly explain how to do this proof and what thms. to use

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