Respuesta :

Answer:

missing angle = 120 degrees

Step-by-step explanation:

180 -50 -70 =60. 180-60 =120. sorry for brief work but i assume you need it fast

Answer:

20°

Step-by-step explanation:

180-(70+50)=60

180-60=120

dude...it's a straight angle just work it out...laws of exterior and interior angles...

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