Respuesta :

Answer:

105°

Step-by-step explanation:

180° - 30° = 150°

So them 180° - 105° = 75° so that's correct and means the other angle it's also 75° which means that another 180° it's form and it would be 105°

Answer:

105°

Step-by-step explanation:

Angle 105° and the angle immediately next to it are called 'supplementary angles,' because they add up to 180°.  The supplementary angle of 105° is therefore 180° - 105° = 75°.

The sum of the interior angles of a triangle is always 180°.  We know two of the interior angles of this triangle:  one is 30° and the other is 75°.  The third must be 180° - (30° + 75°), or 75°.  The supplementary angle of this 75° is 105°.  Thus, x = 105°