Respuesta :

1) angle 2 = angle 4

115 = 3x + 16

115 - 16 = 3x

99 = 3x

x = 33

2) angle 2 + angle 5 = 180 degrees

115 + angle 5 = 180

angle 5 = 180 - 115

angle 5 = 65 degrees

3) Angle 1 is equal to 120 degrees