See if you can remember these
Number of sides - 5,3,7,6,4
Name - quadilateral, hexagon, triangle, pentagon, septagon/ hexagon
[Quad]rilateral = 4
[Hex]agon = 6
[Tri]angle = 3
[Pent]agon = 5
[Sept]agon ...also called a [Hept]agon..... = 7