Question

I need help with this question

Answer 1

Each triangle has a total degrees of 180, so all you have to do is subtract other angles of the triangle

180-112-41=26 degrees

There's your answer.

Answer 2

1 is 68 degrees because a triangles angles add up to 180. 
2 is 27
3 is 75 bc of the proportions
4 is 42