They would be equilateral concave polygons. See the related link to see some diagrams.
we cant see the pic that way
Yes
You can see a picture of Princeton on the Internet.
May I see a pic of you translates as Darf ich ein Bild/Photo von Dir sehen.
See related links.
i have to see a pic of him
yes
yes
If you mean a 4-sided polygon, then that is a quadrilateral. See related link for more information on polygons.
You have to see it both the polygons measures to the same degree's & the same shape then that make's it congruent.
All sorts of polygons can create tessellations. See attached link for some examples: http://http://en.wikipedia.org/wiki/Tessellation