centagan: 100-gon
bisector
mk
width
Angle Apothem AxesAxiom
I think vertex...
nonagon
in geometry, width
Car is another word for truck that starts with a "c".
How about a decagon which is a ten sided polygon
The word you are looking for is:Trigonometry
Kite is one of them which is a 4 sided quadrilateral
C*nt.