An equilateral triangle. ►
It can be but it also could be an irregular polygon
A square is a regular four-sided polygon.
A five-sided polygon is called a pentagon. A regular five-sided polygon is simply called a regular pentagon
A 6 sided hexagon polygon can be regular or irregular.
The name of a 18 sided polygon is Octadecagon.
A regular polygon has equal length sides while a polygon does not have to have equal sides.
The constructed polygon name for a 24-sided regular polygon is an icosikaitetragon.
If the seven sides are all the same length , then it is a regular polygon. A seven sided polygon is named a 'HEPTAGON'. If the seven sides are regular then it can be named as a ' Regular Heptagon'.
It is a regular 12 sided dodecagon polygon
A sixteen-sided regular polygon is called a hexadecagon or a hexakaidecagon.
An octagon is a two-dimensional polygon with eight sides which can be regular or irregular
The interior angle of an octdecagon, an 18 sided regular polygon, is 160o.