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What is a polygon with 20 diagnols?

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Anonymous

∙ 13y ago
Updated: 8/20/2019

It is an octagon

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Wiki User

∙ 13y ago
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Related Questions

How many diagnols does a octagon have?

A polygon with n sides has n*(n-3)/2 diagonals (not diagnols!).So, an octagon has 8*5/2 = 20 of them.


How many diagnols does a 11 sided polygon have?

44


How many diagnols can a polygon with three sides have?

None


What polygon has two diagnols that are perpendicular angles?

A square, a rhombus and a kite


How many diagnols does a 100 sided polygon have?

It has: 0.5*(100^2-(3*100)) = 4850 diagonals


What is a rule for finding the number of diagnols for a polygon with N sides?

The rule is: 0.5*(N2-3N) = number of diagonals


How many diagnols does a triangle have?

a triangle has 0 diagnols


What is a polygon with 20 faces?

A polygon with 20 sides is an icosagon.


What is the name of 20 polygon?

A 20 sided polygon is an 'icosagon'


How many diagnols does a hectagon have?

There is no such shape. And unfortunately the word is too much like two terms to determine which of them you mean.If the polygon has n sides (n>3), then it has n*(n-3)/2 diagonals.


What is the name for a 20 sided polygon?

A 20-sided polygon is an icosagon.(see related link)


What is a 20 sided polygon?

Duodecagon <--wrong... a duodecagon is a 12-sided polygon. icosagon is a 20 sided polygon.

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