The exterior angle theorem states that an exterior angle is equal to the sum of its remote interior angles.
So...
80+20=m<CAD
m<CAD=100°
Answer:
100 degrees
Step-by-step explanation:
In a triangle, there's 180 degrees total. So we need <CAB to get 180 degrees which can be found by setting up the following equation and solving:
80+20+x=180
100+x=180
x=80
Since <CAD and <CAB are supplementary angles, they both must add up to 180 degrees, so we set up the following equation and solve:
80+x=180
x=100
So <CAD is 100 degrees
Hope this helped!
