Question

PLEASE can someone help with this??IT IS important

Answer 1

4

Explanation:

I, m

Answer 2

1) x=5 so angles are 25°, 80° and 75°

Explanation:

The angles of a triangle should add up to 180. So e.g., for the first one, you know that

5x + 16x + 15x = 180

so

36x = 180

x = 5