Congruent : Alternative Interior Angles, Corresponding Angles , Alternate Exterior Angles , ∠3 and ∠7, ∠6 and ∠7, ∠5 and ∠8, ∠1 and ∠8 , Supplementary: =180 degrees, Same Side Interior , Same Side Exterior, Adjacent Angles , ∠3 and ∠5, ∠1 and ∠7, ∠4 and ∠6,

Parallel Lines and a Transversal

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