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Two lines on the graph are cut by a transversal. Which angles must be congruent for the lines to be parallel?

 

A) ∠1 and ∠4

B) ∠1 and ∠8

C) ∠2 and ∠4

D) ∠2 and ∠8

E) ∠5 and ∠6

 Oct 19, 2019
 #1
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B)   1 and 8    (alternate exterior angles)

 

 

cool cool cool

 Oct 19, 2019

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