# Quick Answer: What Is A 99 Sided Shape Called?

## Is there a 9 sided shape?

In geometry, a nonagon (/ˈnɒnəɡɒn/) or enneagon (/ˈɛniəɡɒn/) is a nine-sided polygon or 9-gon.

The name nonagon is a prefix hybrid formation, from Latin (nonus, “ninth” + gonon), used equivalently, attested already in the 16th century in French nonogone and in English from the 17th century..

## What’s a 20 sided shape called?

icosagonIn geometry, an icosagon or 20-gon is a twenty-sided polygon. The sum of any icosagon’s interior angles is 3240 degrees.

## Does a rhombus have 4 right angles?

A square has two pairs of parallel sides, four right angles, and all four sides are equal. It is also a rectangle and a parallelogram. A rhombus is defined as a parallelogram with four equal sides. … No, because a rhombus does not have to have 4 right angles.

## What is the biggest Gon?

65537-gon65537 is the largest known Fermat prime, and the 65537-gon is therefore a constructible polygon using compass and straightedge, as proved by Gauss. The 65537-gon has so many sides that it is, for all intents and purposes, indistinguishable from a circle using any reasonable printing or display methods.

## What is a 200 sided shape called?

dihectogonWhat is the name of a polygon with…?#Name of the Polygon + Geometric Drawing80 sidesoctacontagon90 sidesenneacontagon100 sideshectogon200 sidesdihectogon53 more rows

## What is a 31 sided shape called?

Systematic polygon namesTensfinal suffix-gon20icosi- (icosa- when alone)30triaconta-40tetraconta-5 more rows

## What is a 1 billion sided shape called?

megagonA megagon or 1 000 000-gon is a polygon with 1 million sides (mega-, from the Greek μέγας megas, meaning “great”). Even if drawn at the size of the Earth, a regular megagon would be very difficult to distinguish from a circle….Megagon.Regular megagonTypeRegular polygonEdges and vertices10000007 more rows

## What do you call a shape with 69 sides?

10 – deca | 1 – hena 20 – icosi | 2 – di 30 – triaconta | 3 – tri 40 – tetraconta | 4 – tetra 50 – pentaconta | 5 – penta 60 – hexaconta | 6 – hexa 70 – heptaconta | 7 – hepta 80 – octaconta | 8 – octa 90 – nonaconta | 9 – nona. The 3-digit sided polygons are named in a similar fashion.

## What is a 15 sided shape?

pentadecagonIn geometry, a pentadecagon or pentakaidecagon or 15-gon is a fifteen-sided polygon.

## What is a 16 sided 3d shape called?

HexadecagonIn mathematics, a hexadecagon (sometimes called a hexakaidecagon or 16-gon) is a sixteen-sided polygon.

## What is a shape with 10000 sides?

myriagonIn geometry, a myriagon or 10000-gon is a polygon with 10,000 sides. Several philosophers have used the regular myriagon to illustrate issues regarding thought.

## What is a 70 sided shape called?

heptacontagonIn geometry, a heptacontagon (or hebdomecontagon from Ancient Greek ἑβδομήκοντα, seventy) or 70-gon is a seventy-sided polygon. The sum of any heptacontagon’s interior angles is 12240 degrees.

## What is a 72 sided polygon called?

pentagonProperties. A regular pentagon has: Interior Angles of 108° Exterior Angles of 72°

## What’s a 6 sided shape called?

hexagonMore than Four Sides A five-sided shape is called a pentagon. A six-sided shape is a hexagon, a seven-sided shape a heptagon, while an octagon has eight sides…

## What is the biggest sided shape?

In geometry, the rhombicosidodecahedron, is an Archimedean solid, one of thirteen convex isogonal nonprismatic solids constructed of two or more types of regular polygon faces.It has 20 regular triangular faces, 30 square faces, 12 regular pentagonal faces, 60 vertices, and 120 edges.More items…

## What is the newest shape?

The scientists named the shape “scutoid” after a triangle-shaped part of a beetle’s thorax called the scutellum. The scutoid itself looks like a bent prism with five slightly slanted sides and one corner cut off.

## What is a shape with 100 sides called?

hectogonIn geometry, a hectogon or hecatontagon or 100-gon is a hundred-sided polygon. The sum of all hectogon’s interior angles are 17640 degrees.

## What is a 90 sided shape called?

enneacontagonIn geometry, an enneacontagon or enenecontagon or 90-gon (from Ancient Greek ἑννενήκοντα, ninety) is a ninety-sided polygon. The sum of any enneacontagon’s interior angles is 15840 degrees.

## What is a 28 sided shape called?

icosioctagonIn geometry, an icosioctagon (or icosikaioctagon) or 28-gon is a twenty eight sided polygon.

## What is a fourteen sided shape called?

tetradecagonIn geometry, a tetradecagon or tetrakaidecagon or 14-gon is a fourteen-sided polygon.

## What is 12 sided shape called?

dodecagonIn geometry, a dodecagon or 12-gon is any twelve-sided polygon.