A polyhedron with twelve regular pentagons as sides is called a dodecahedron.
a pentagon a pentagon
If the polygon above has 5 sides is it a concave or a convex
A pentagon is a 5 sided polygon
pentagon
A five sided polygon is called a pentagon because pentagon means five sided polygon I think.
pentagon a pentagon A pentagon is a Polygon with 5 sides.
A pentagon is the polygon with 5 sides.
The name of a 5 sided polygon is Pentagon.
It is a Pentagon.
pentagon
PENTAGON
A Pentagon