A PENTAGON.
NB
In 2 dimensional figures. , from their Latin roots, the names are :-
3 - Tri
4 = tetra/quad
5 = penta
6 = hexa
7 = hepta
8 = octa
9 = nona
10 = deca
100 = centa
1000 = milla
Being a 2-dimensional figure it carries the suffix '----gon'.
Hence for a three sided polygon it is a 'trigon' , more usually named as a 'triangle'.
NB THere is no such thing as a 1 sided or 2 sided polygon. . Think about it!!!!!
Quadrilateral.
Quadrilaterals.
Five sided shapes are called Pentagons
A 5-sided figure is called a pentagon.
It can be an irregular polygon with 5 or more sides.
A pentagon is the only name.
pentagons
no
um. a triangle...?
Quadrilateral.
Quadrilaterals.
34
A Pentagon
Hexadecagon.
A quadrilateral.
5 sided shapes
A pentagon is a 5 sided polygon.