Respuesta :

Answer:

1st option

Step-by-step explanation:

3z and 2z are adjacent angles on a straight line and sum to 180° , that is

3z + 2z = 180

5z = 180 ( divide both sides by 5 )

z = 36

Then

3z = 3 × 36 = 108°

2z = 2 × 36 = 72°