# Question: What Is An Eight Sided Shape Called?

## Are all 8 sided shapes octagons?

An octagon is an 8 sided polygon with interior angles that add to 1080 degrees.

Regular octagons have sides of equal length and interior angles of 135 degrees.

A nonagon is a 9 sided polygon with interior angles that add to 1260 degrees….TriangleSquareHeptagonOctagonNonagonDecagonPentadecagonIcosagon1 more row.

## What is a 12 sided shape called?

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

## 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.

## 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 10 sided shape called?

decagonIn geometry, a decagon is a ten-sided polygon or 10-gon.

## What is an L shape called?

palordrolap. 6 points · 1 year ago. Yes, it’s a hexagon, specifically a non-convex hexagon on account of having a concave angle. There’s no specific official name that I’m aware of. “L-shaped hexagon” might actually be sufficient.

## What is 13 sided shape called?

tridecagonIn geometry, a tridecagon or triskaidecagon or 13-gon is a thirteen-sided polygon.

## What is a 15 sided shape?

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

## What are 7 9 and 10 sided shapes called?

List of n-gons by Greek numerical prefixesSidesNames7heptagonseptagon8octagon9enneagonnonagon10decagon7 more rows

## What is the most sided shape in the world?

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 most unique shape?

It’s free.4 Lemniscate. … 5 Vesica Piscis. … 6 Reuleaux triangle. … 7 Enneagram. … 8 Nonagon. … 9 Annulus. … 10 Möbius Strip. A Möbius strip, or Möbius band, is a three-dimensional shape with a single, continuous side. … 11 Squircle. A squircle is a unique shape that’s somewhere between a square and a circle.More items…

## What is a 9 sided shape called?

enneagonIn 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 do you call a 7 sided shape?

In geometry, a heptagon is a seven-sided polygon or 7-gon. The heptagon is sometimes referred to as the septagon, using “sept-” (an elision of septua-, a Latin-derived numerical prefix, rather than hepta-, a Greek-derived numerical prefix; both are cognate) together with the Greek suffix “-agon” meaning angle.

## 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