maths

in maths i have been learning how to do 3d or 2d numbers i will give you 2 E.G.
So is this a regular polygon. This is a polygon because this has no grapes                        

























                                             here is my 2 E.G so what figure is this a trapezium i got this because it is like a a square but there is one side that is not right so if you get this Q at means that you get this Q you will got this right