In the triangle shown, what is the value of the missing angle?

139°

41°

65°

74°

Because angles in a triangle add up to 180, you can add up the given angles and then take that answer away from 180, so:
65 + 74 = 139
180 - 139 = 41°
So your answer is 41°, I hope this helps!

48x^7y^3. the app is photomath