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decagon
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∙ 12y ago
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What polygon has 20 diagonels?
An octagon has 20 diagonals
How many diagonals does a 20-sides polygon have?
A polygon with n sides had n*(n-3)/2 diagonals. So a 20 sided polygon would have 20*17/3 = 170
How many diagonals does a 20 sided polygon have?
It has 170 diagonals by using the diagonal formula
What is the name of a regular polygon that has 95 diagonals?
There is no such polygon that has 95 diagonals because a 15 sided polygon has 90 diagonals and a 16 sided polygon has 104 diagonals.
How many sides a polygon has with 10 diagonals?
Such a polygon does not exist. A polygon with n sides has 0.5*n*(n-3) diagonals If there are 10 diagonals then 0.5*n*(n-3) = 10 which requires n2 - 3n - 20 = 0 which has no integer roots.
How many diagonals does a 20 gon has?
A 20 sided polygon has 170 diagonals
How many diagonals are in a 20 sided polygon?
There are 170 diagonals
What polygon has 20 diagonels?
An octagon has 20 diagonals
What is the total number of diagonals in a polygon with eight sides?
It has 20 diagonals
How many diagonals does a 20-sides polygon have?
A polygon with n sides had n*(n-3)/2 diagonals. So a 20 sided polygon would have 20*17/3 = 170
How many diagonals can be drawn from any vertex of a 20-sided polygon?
It is 18 diagonals
How many diagonals does a 20-sided polygon have?
0.5*(202-60) = 170 diagonals
How many diagonals does a 20 sided polygon have?
It has 170 diagonals by using the diagonal formula
How many Diagonals in a 20 sided polygon?
170
How many diagonals does a 12 sided polygon have?
20
What type of polygon has 20 diagonals?
A regular octogon (8 sides) has 20 diagonals. An irregular octogon also has 20 diagonals, but only if all its points point outwards.
How many diagonals in octagon?
20 diagonals in Octagan. For n-sided polygon, no of diagonals = (n choose 2 ) - n = 8C2 - 8 = 28 - 8 = 20
