Question 1 The angles in a triangle add up to 180°
Subtract the known angles from 180 to get x
180 - 105 - 40 = 35
The answer is 35 ------------------------------------------------------------------------------------------------------ Question 2 The angles in a triangle add up to 180°
The box means that angles is 90°
Subtract the know angles from 180 to get x
180 - 65 - 90 = 25
The answer is 25 ------------------------------------------------------------------------------------------------------ Hope this helps!