Answer:
40
Step-by-step explanation:
The first step is to calculate x
because it's a straight line all angles must add up to 180
we can write the following equation
(3x+94)+(x+30)+(2x-4)=180
6x+120=180
6x=60
x=10
Now to solve for COD just plug in 10 for x+30
10+30=40
