A dodecagon.
A four edged star.
The shape is congruent
A heptahedron is a polyhedron with 7 faces, and you can make one with 15 edges.
That's an impossible shape. No shape can have only 2 edges.
A 10 edged (sided) shape is called a decagon.
It's called a dodecahedron (3d) and a dodecagon (2d)
A dodecagon.
DODECAHEDRONThe correct answer is dodecagon. A dodecahedron is a 3-d shape with 12 faces.
a one sided shape is called a henagon and a 2 sided shape is called a digon
A four edged star.
an octagon
a sword it looks like a double edged chain saw
It does not have a specific name.
A 2 sided shape is called a digon
If it is a 2 dimentional shape it is called an 'octadecagon'
A 2-Dimensional shape with 8 sides is called an Octagon.