2) Find the measure of angle b.
Also how do I show the work for it

Answer:
B=43
Step-by-step explanation:
The reason 43 is our answer here is because it is opposite of the 43 degree angle.
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Answer:
43 degrees
Step-by-step explanation:
You can't necessarily show work for it, you could just say that "b" is a vertical angle. A vertical angle is an angle that is congruent to the opposite angle of it on two intersecting lines. Therefore, "b" would be 43 degrees.