no
Yes.
Hexagon
a polygon is convex
If the polygon (not ploygon!) has n vertices, the sum of the angles is (n-2)*pi radians or (n-2)*180 degrees.
hexagon
Yes.
A triangle.
Hexagon
No, it's a POLYGON.
as many as it wants
a megcagon
PENTAGON!!!
a tetradecagon
heptagon
Pentagon
pentagon
a polygon is convex