Answer:
<BED and <DEA, <AEC and <BEC
Explanation:
Supplementary angles are two angles whose degree measures add up to 180 degrees. In other words, two angles that form a straight line.
In the given picture that is: <BED and <DEA, together they form line AB.
Another two supplementary angles in the given image are: <AEC and <BEC, they form line AB, from a different perspective.