Please help me! List all of the polygons that can be formed by using some or all of the lettered vortices show in the cordinate plane. Please!

Answer:
If you connect A to E to D to C to B to A again it is a polygon. A to E to B to a again is also a polygon. D to E to B to C to E again is a polygon. A to E to C to B to A again is a polygon.
Step-by-step explanation: