Well, isn't that just a happy little question! An 87-sided polygon is called an octacontaheptagon. Just imagine all those lovely angles and sides coming together in perfect harmony on your canvas of geometry. Remember, there are no mistakes in math, just happy little miscalculations waiting to be corrected.
It's quite acceptable to call it an 87-agon but what's more important is knowing how to work out its properties
Octacontakaiheptagon i think
The name of a 12 sided polygon is Dodecagon.
A 8 sided polygon is called a octagon.
The name of a 99 sided polygon is enneacontaenneagon.
The name of a 19 sided polygon is enneadecagon.
Octacontakaiheptagon i think
The name of a 12 sided polygon is Dodecagon.
A 8 sided polygon is called a octagon.
name of 4000 sided polygon
The name of a 18 sided polygon is Octadecagon.
The name of a 99 sided polygon is enneacontaenneagon.
The name of a 8 sided polygon is Octagon.
The name of a 19 sided polygon is enneadecagon.
The name of a 15 sided polygon is Pentadecagon.
The name of a 7 sided polygon is Heptagon.
The name of a 9 sided polygon is Nonagon.
The name of a 17 sided polygon is Heptadecagon.