Respuesta :

Aasia4444
Angle 1 is 39 degrees and angle 3 is 141 degrees because all triangles inner angles add up to 180 degrees

Answer:

Angle 1 = 39 degrees because it is equal to it's opposite adjacent angle which is labeled 39 degrees.  The angle opposite angle 2 is 90 degrees. Angle 3 is 51 degrees

Step-by-step explanation:

Triangle = 180 degrees

                -39 degrees Angle given

                -90 degrees Angle known

                =51 degrees Angle 3

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