Respuesta :

ItsDingy

Answer:

75 degrees.

Step-by-step explanation:

All interior angles of a triangle add up to 180.

So we can set up an equation: 65+40+x=180

105+x=180

x=180-105

x=75

yooooooobi

Answer:

x= 75 degrees

Step-by-step explanation:

A triangle = 180 degrees

65+40=105 degrees

180-105=75