Respuesta :

Answer: 75°

Step-by-step explanation:

ALL TRIANGLE ANGLES MUST ADD UP TO 180°

Take 50°+55°=105°

Now take 180°-105°

75°

Answer:

75 degrees

Step-by-step explanation:

a Triangle is 180 degrees all together, so you add 50+55=105

you subtract 180-105=75 degrees