Respuesta :

jhonyy9
so than this is a triangle so we know that the sum of measure of angles of a triangle is equal 180 degrees 
- in this case m<O = 180 -(137+22) = 180 -159 = 21

m<O = 21 degrees 
psychoredhead11

Answer: 115

Step-by-step explanation:

Because the equation is 180-(43+22) = 115.

I got this question right on a quiz.

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