Respuesta :

Answer:

115°

Step-by-step explanation:

The external angle of a triangle is equal to the sum of the 2 opposite interior angles.

? is an exterior angle of the triangle , thus

? = 75° + 40° = 115°

Hi1315

Answer:

[tex]x = 115 \: \: degrees[/tex]

First answer is correct.

Step-by-step explanation:

let's get the missing side as x

[tex]75 + 40 = x \\ 115 = x[/tex]