27 diagonals
4 diagonals
A regular 12 sided dodecagon has 54 diagonals.
54
It has 9 diagonals whether or not if its a regular or an irregular hexagon
8 diagonals
5 diagonals
There are 9 diagonals in any hexagon!The hexagon does not have to be regular.
There are 21 of them.
O.5*(49-21) = 14 diagonals
many triangles does a regular 46-gon have
2 in regular and 1 in normal oval(egg)
zero, for any tetrahedron, not just regular
20.
A regular octadecagon (an eighteen sided polygon) would have nine diagonals.
The principal diagonals of all regular polygons.
no