Congruent polygons

Follow instructions on the image. Jot down your observations, answer the questions.[br]Then, move one or more of the vertices from ABCDE (read: polygon ABCDE). Jot down your observation of what happened.[br]What conclusion(s) can you make about the two polygons? Jot down your conclusion.[br]Now, move one or more of the vertices from ABCDE again. Are your conclusions consistent with this new data?
Congruent polygons

Information: Congruent polygons