Respuesta :

Answer:

60

Step-by-step explanation:

Step 1:  Solve for x

x + 3x + 2x = 180

6x / 6 = 180 / 6

x = 30

Step 2:  Find the measure of angle C

Angle C = 2x

Angle C = 2(30)

Angle C = 60 degrees

Answer:  60