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

Can someone thoroughly explain how to do this proof and what thms. to use-example-1
User Rafik BELDI
by
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1 Answer

2 votes
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!
User Justin Ngan
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