pentagon
heptagon
polygon are shapes with no carves, no intersecting lines, closed, and has at least 3 sides.
A polygon with five sides is a pentagon.
Five-sided shapes are called pentagons.
A polygon with 5 sides is a pentagon
pentagon
A triangle.
as many as it wants
A polygon with 12 sides is a dodecagon
pentagon
rombus
A pentagon.
As many corners as sides.
hexagon
170
a ploygon or quadrilateral