Quick Answer: What’S A 20 Sided Shape Called?

What is a 20 sided 3d shape called?

icosahedronIn geometry, an icosahedron (/ˌaɪkɒsəˈhiːdrən, -kə-, -koʊ-/ or /aɪˌkɒsəˈhiːdrən/) is a polyhedron with 20 faces.

The name comes from Ancient Greek εἴκοσι (eíkosi) meaning “twenty” and from Ancient Greek ἕδρα (hédra) meaning “seat”.

The plural can be either “icosahedra” (/-drə/) or “icosahedrons”..

What is a 7 sided shape called?

heptagonA six-sided shape is a hexagon, a seven-sided shape a heptagon, while an octagon has eight sides… The names of polygons are derived from the prefixes of ancient Greek numbers.

What is a 60 sided shape called?

hexacontagonIn geometry, a hexacontagon or hexecontagon or 60-gon is a sixty-sided polygon. The sum of any hexacontagon’s interior angles is 10440 degrees.

What’s a 12 sided shape called?

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

What’s a 50 sided shape called?

pentacontagonIn geometry, a pentacontagon or pentecontagon or 50-gon is a fifty-sided polygon. The sum of any pentacontagon’s interior angles is 8640 degrees. A regular pentacontagon is represented by Schläfli symbol {50} and can be constructed as a quasiregular truncated icosipentagon, t{25}, which alternates two types of edges.

What is a 19 sided shape called?

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

What is a 10 sided shape?

decagonIn geometry, a decagon (from the Greek δέκα déka and γωνία gonía, “ten angles”) is a ten-sided polygon or 10-gon. The total sum of the interior angles of a simple decagon is 1440°.

What is a regular 12 Gon?

Regular Dodecagon In geometry, a pentagon is a twelve-sided polygon or 12-gon.

What’s 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 shape with 1 billion sides called?

A gigagon is a two-dimensional polygon with one billion sides. It has the Schläfli symbol. (using Bowers’ arrays).

What do u call a 11 sided shape?

hendecagonIn geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (The name hendecagon, from Greek hendeka “eleven” and –gon “corner”, is often preferred to the hybrid undecagon, whose first part is formed from Latin undecim “eleven”.)

What is a 99 sided shape called?

EnneacontagonIn geometry, an enneacontagon or enenecontagon or 90-gon (from Ancient Greek ἑννενήκοντα, ninety) is a ninety-sided polygon.

What is a 33 sided shape called?

tritriacontagonWhat is the name of a polygon with…?#Name of the Polygon + Geometric Drawing33 sidestritriacontagon34 sidestetratriacontagon35 sidespentatriacontagon36 sideshexatriacontagon54 more rows

What is a 72 sided shape called?

How many sides does a polygon have? Names of polygon shapesPolygonNameβ3 – sided polygontrigon (equilateral triangle)2π/3 = 120°4 – sided polygontetragon, quadrilateral (square)π/2 = 90°5 – sided polygonpentagon2π/5 = 72°6 – sided polygonhexagonπ/3 = 60°5 more rows

What is a 1 trillion sided shape called?

chiliagonChiliagonRegular chiliagonTypeRegular polygonEdges and vertices1000Schläfli symbol{1000}, t{500}, tt{250}, ttt{125}Coxeter diagram5 more rows