Respuesta :

choixongdong
y = 180 - 60
y = 120

answer
A. 120
AnimeBrainly
The sides are all the same, so the angles will all be similar

180/3 = 60

each angle is 60 degrees

A straight line is 180 degrees

180 - 60 = y

y = 120

A. 120 is your answer

hope this helps