Help with my geometry problem (included as image)

Alec Sibilia asked Aug 17, 2023

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Alec Sibilia asked Aug 17, 2023

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7 votes

Answer:

40°

Explanation:

We know that

$m\angle 2=28^(\circ)+m\angle 1$

Thus, by the angle addition postulate,

$28+m\angle 1+m\angle 1=108^(\circ) \\ \\ 2m\angle 1=80^(\circ) \\ \\ m\angle 1=40^(\circ)$

IgorCh answered Aug 23, 2023

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