Respuesta :

Answer

x = 71°

Explanation

The sum of angles in a triuangle is 180°

So, we can sum these three angles up and equate them to 180°

x - 5° + x + x - 28° = 180°

3x - 33° = 180°

3x = 180° + 33°

3x = 213°

Divide both sides by 3

(3x/3) = (213°/3)

x = 71°

Hope this Helps!!!