Respuesta :

Answer:

x=52°

Step-by-step explanation:

All triangles equal to 180

180-90 (square represents 90°)

90-38=52°

Answer: 128°

Step-by-step explanation:

The exterior angle which is marked here as x is equal to the two opposite/ non adjacent interior angles which are mentioned in the given figure

Let the exterior angle be x

As you the see the interior angles (inside the triangle) are 90° and 38°

So,

x = 90+38 (sum)

= 128°

Hope it helps