Answer:
Step-by-step explanation:
20 + 20 + x = 180
x = 140
140° ?
Since Angle CAD is 20°, and CEA is 180°. Angle CED has to equal to 20°. I added angle CAD to CED and got 40°. Then I subtracted 40 from 180 and got 140 °.
Hope this Helps!!!
