4. Find the missing angle.

83

89

119

X

X= 159 degrees
how do I show work

The question is totally incomplete.

How can the bot set up and equation by adding four angles in a triangle ??

To show work, you can use the fact that the sum of the angles in a triangle is 180 degrees. Therefore, you can set up an equation to solve for X: 83 + 89 + 119 + X = 180. Solving this equation, you get X = 159 degrees.