Pentagon (and in 3d: triangular prism and tetrahedron.)
Shapes with straight sides are called polygons
I would say a square-based pyramid but there are many 3 dimensional shapes with 5 sides.* * * * *The generic name is a pentahedron.
Polygons
polygon
Hexagons
Shapes with straight sides are called polygons
Pentagon.
I would say a square-based pyramid but there are many 3 dimensional shapes with 5 sides.* * * * *The generic name is a pentahedron.
dick
Polygons
There is no special name: they are polygons, as are shapes with 3 or 3 million sides.
polygon
Hexagons
quadrilateral
Pentagons have 5 sides and they can be regular or irregular
There is no special name that distinguishes shapes with more than four sides from shapes with four or fewer.
There is no specific term that distinguished between shapes with more than 11 sides from those with up to 11 sides.