Can someone please help with this one

asked Apr 9, 2020 168k views

2 votes

by Luay

5.6k points

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6 votes

Answer:

m∠8 = 123°

Explanation:

∠1 and ∠8 are alternate exterior angles, and since lines A and B are parallel, then they must be congruent.

So, m∠1 = m∠8

Substitute: 123 = m∠8

Tomaz Tekavec answered Apr 15, 2020

5.6k points

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