Respuesta :

Answer: 60 degrees

Step-by-step explanation:

Angle sum of a triangle: 180 degrees

70+50=120

180-120=60

Straight line: 180 degrees

180-60=60 degrees

Answer:

120

Step-by-step explanation:

Add all the inner angles, 70+50=120. 180-120 = 60. The angle is a supplementary angle, so 180-60 = 120.