Respuesta :

musiclover10045

y = 180-(40+50)

y = 180-90

y = 90 degrees
Hi I am new to this but I can help you as much as I can. I hope I can give you the correct answer, because I am in 6th grade.
Thanks, Jacie Webb
y = 180-(40+50)

y = 180-90

y = 90 degrees