What Is An 18 Sided Shape?

What is a 14 sided shape called?

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

What is a 21 sided polygon called?

IcosikaihenagonA polygon with 21 sides is therefore called a: Icosikaihenagon, but also a Icosihenagon.

What is a 24 sided shape called?

icositetragonIn geometry, an icositetragon (or icosikaitetragon) or 24-gon is a twenty-four-sided polygon. The sum of any icositetragon’s interior angles is 3960 degrees.

What is a 1 trillion sided shape called?

Regular 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 megagonA regular megagonTypeRegular polygonEdges and vertices10000006 more rows

What is a 72 sided polygon called?

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

What is a 17 sided shape?

heptadecagonIn geometry, a heptadecagon or 17-gon is a seventeen-sided polygon.

What is a 69 sided shape called?

Systematic polygon namesTensOnes60hexaconta-670heptaconta-780octaconta-890enneaconta-95 more rows

What is a 16 sided shape called?

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

What is a two sided shape called?

digonIn geometry, a digon is a polygon with two sides (edges) and two vertices.

What is a 100 sided shape 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 15 sided shape called?

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

What is a 19 sided shape?

In geometry an enneadecagon or enneakaidecagon or 19-gon is a nineteen-sided polygon.

What is a 20 sided shape?

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

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 one sided shape called?

Möbius stripIn mathematics, a Möbius strip, band, or loop (US: /ˈmoʊbiəs, ˈmeɪ-/ MOH-bee-əs, MAY-, UK: /ˈmɜːbiəs/; German: [ˈmøːbi̯ʊs]), also spelled Mobius or Moebius, is a surface with only one side (when embedded in three-dimensional Euclidean space) and only one boundary curve.

What’s a 13 sided shape called?

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

What is an 18 sided shape called?

An 18-sided polygon, sometimes also called an octakaidecagon.

What is a 99 sided shape called?

Polygons with 21 to 99 sides have a different system. Take the prefix for the tens digit (found on the left column), the ones digit (right column below), and then stick a “kai” between them to get (tens)kai(ones)gon . The 3-digit sided polygons are named in a similar fashion. A 100-sided polygon is called a hectogon.