Respuesta :

80+60=140
180-40 = 40
Answer is 40°
As angles in a triangle add up to 360°
Kamillia

Answer:

40 degrees

Step-by-step explanation:

The angles of a triangle add together to 180 degrees, so you need to add the two numbers and subtract 180 from the answer you got:

60 + 80 = 140

180 - 140 = 40

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