Answer:
Step-by-step explanation:
1:equilateral sides
2: sides of different length or angle measure
3 a side or surface
4 where two faces meet
5 point or corner
the first picture is a cube and parts, the second is a regular polygon, and the third is an irregular polygon (note that polygons whether they are regular or irregular can come in a plethora of different shapes, angles, and sizes.)
