Respuesta :

katherineye2007

Answer:

50

Step-by-step explanation:

a triangle's sum of all angles is 180 degrees

so a+b+c=180

we know c=80

and a=b

so that'll be

2y+80=180

subtract 80 from each side

2y=100

divide by 2

y=50

BryceScholl

Answer:

50 degrees

Step-by-step explanation:

Hope this helps