18. If a polygon has n sides, then it has n-2 triangles.
There are 18 triangles in a 20 sided polygon.
unknown
it would have 18 triangles because u take 2 away each time.
Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.
A 20-sided polygon is an icosagon.(see related link)
The name of a 20 sided polygon is Icosagon.
unknown
18 triangles
There are 20 triangles inside a 22 sided polygon
It can be divided into 18, hope this helps!
it would have 18 triangles because u take 2 away each time.
A 32 sided polygon is also called a triacontadigon (or triacontakaidigon) or 32-gon has 20 triangles and 12 pentagons.
20 triangles will fit into a 22 sided polygon whose interior angles add up to 3600 degrees
20 of them.
Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.
A 20-sided polygon is an icosagon.(see related link)
A 20-sided polygon is called an icosagon.
The name of a 20 sided polygon is Icosagon.