Question: What Is A 20 Sided Shape Called?

What do you call a shape with 50 sides?

In geometry, a pentacontagon or pentecontagon or 50-gon is a fifty-sided polygon..

What’s a 13 sided shape called?

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

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 27 sided shape called?

heptaSystematic polygon namesOnesTwenties5penta-256hexa-267hepta-278octa-286 more rows

What is a 10 sided shape?

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

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 billion sided shape called?

Regular megagonMegagonRegular megagonTypeRegular polygonEdges and vertices1000000Schläfli symbol{1000000}, t{500000}, tt{250000}, ttt{125000}, tttt{62500}, ttttt{31250}, tttttt{15625}Coxeter diagram5 more rows

What is a 19 sided shape called?

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

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 ἕδρα (hédra), meaning ‘seat’. The plural can be either “icosahedra” (/-drə/) or “icosahedrons”.

What is a shape with 30 sides called?

In geometry, a triacontagon or 30-gon is a thirty-sided polygon. The sum of any triacontagon’s interior angles is 5040 degrees.

What is a 24 sided 3d 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 9999 sided shape called?

myriagonMyriagonRegular myriagonCoxeter diagramSymmetry groupDihedral (D10000), order 2×10000Internal angle (degrees)179.964°Dual polygonSelf5 more rows