You should be able to find your answer here: http://mathworld.wolfram.com/topics/Polygons.html
Hope that helps.
a polygon with 3 angles is called triangle;
a polygon with 4 angles is called quadrangle;
a polygon with 5 angles is called pentagon;
a polygon with 6 angles is called hexagon;
a polygon with 7 angles is called 7-angled polygon?
a polygon with 18 angles is called 18-angled polygon?
We need emoticons that bow down!Originally Posted by Red5
I'm not a teacher, so please consider any advice I give in that context.