Question

Help with my geometry problem (included as image)

Answer 1

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)`