A polygon is a closed shape. A square, rhombus, rectangle, decagon, pentagon, ect. You can even make up your own closed shape and it would be a polygon. :)
There is no such polygon.
polygon polygon
No. It is the other way round: a square is a polygon.
No, a rextangle is not a polygon. That is because thee is no such thing as a rextangle. A rectangle, on the other hand, is a polygon.
Then you would draw the polygon inside of the circle, or in other words, "inscribe" the polygon.
Inscribed Polygon
It is a regular polygon
6 polygon triangles make a hexagon
square and rhombus
No. That is because there is no such word as "roumbus". A rhombus, on the other hand, IS a polygon. It is a quadrilateral.
A polygon is equiangular if its internal angles are mutually equal to each other.
Square