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How many sides does a pentagon have


Jan 29, 2024
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Is a pentagon 8 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…

Does a pentagon have 7 sides?

A pentagon is a 5 sided polygon with interior angles that add to 540 degrees. Regular pentagons have sides of equal length and interior angles of 108 degrees. … A heptagon is a 7 sided polygon with interior angles that add to 900 degrees. Regular heptagons have sides of equal length and interior angles of 128.57 degrees.

Do all pentagons have 5 sides?

All pentagons have five straight sides, but the sides do not have to be of equal length. A regular pentagon has five equal sides and five equal angles. In basic geometry, most problems will involve regular polygons. Each interior angle of a regular pentagon = 108 degrees.

What is a 7 sided shape called?


A heptagon is a seven-sided polygon. It is also sometimes called a septagon, though this usage mixes a Latin prefix sept- (derived from septua-, meaning “seven”) with the Greek suffix -gon (from gonia, meaning “angle”), and is therefore not recommended.

Why does the Pentagon have 5 sides?

Why is the Pentagon, you know, a pentagon? The land the Pentagon was first planned to go on was bordered on five sides by roads, so the architects designed a five-sided building. … The Pentagon is big. Reallllly big.

How many sides does a pentagon have 4?

Other Types of Polygons

PolygonNumber of Sides

Dec 1, 2019

What is a 1000000000000000 sided shape called?


Regular chiliagon
A regular chiliagon
TypeRegular polygon
Edges and vertices1000
Schläfli symbol{1000}, t{500}, tt{250}, ttt{125}

What figure has 9 sides?


A nine sided shape is a polygon called a nonagon. It has nine straight sides that meet at nine corners. The word nonagon comes from the Latin word “nona”, meaning nine, and “gon”, meaning sides. So it literally means “nine sided shape”.

What polygon has 9 sides?

enneagon nonagon

List of n-gons by Greek numerical prefixes


Is there a 100 sided shape?

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

Does a circle have infinite sides?

A circle has infinitely many infinitesimal sides. Zero, if you wish to stick with the elementary geometry definition of “side”, which is a non-infinitesimal line segment with two end points each of which forms a vertex.

What is a 1 billion sided shape called?

Regular megagon


Regular megagon
Schläfli symbol{1000000}, t{500000}, tt{250000}, ttt{125000}, tttt{62500}, ttttt{31250}, tttttt{15625}
Coxeter–Dynkin diagrams
Symmetry groupDihedral (D1000000), order 2×1000000
Internal angle (degrees)179.99964°

What shape has 13 sides called?


A 13-sided polygon, sometimes also called the triskaidecagon.

What is a 500 sided shape called?

What is the name of a polygon with…?

#Name of the Polygon + Geometric Drawing
400 sidestetrahectogon
500 sidespentahectogon
600 sideshexahectogon
700 sidesheptahectogon

What is the name of a 69 sided polygon?

What is a 99 sided shape called?

Regular enneacontagon

In 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.


Regular enneacontagon
PropertiesConvex, cyclic, equilateral, isogonal, isotoxal

What is an 18 sided shape called?


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

What is the name of the shape that has 14 sides?


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

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