Answer:
7-B (congruent)
8-D (supplement)
9-B (congruent)
10-B (congruent)
11-D (supplement)
Step-by-step explanation:
7- 1 and 3 are congruent using the corresponding angles theorem
8- they are supplements using the same side interior angle theorem
9- they are congruent using alternate interior angle theorem
10- they are congruent using the alternate exterior angle theorem
11- they are supplements using the same side exterior angle theorem
ur wlcm :)
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