Respuesta :

Answer:

Angle 1 is 56 degrees.

Step-by-step explanation:

139 and the other side make up 180 degrees. To find the missing angle, subtract them both.

180-139= 41 degrees

You know that there are 180 degrees in a triangle.

41+83= 124

180-124= 56 degrees

56 degrees

First you subtract 124 from 180 to get the opposite angle of 139 which is 41 degrees. Then you add up 41 and 83 to get 124. Lastly, subtract 124 from 180 to get your answer which is 56 degrees
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