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How many diagonals are in a Decagon?

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Anonymous

∙ 16y ago
Updated: 11/10/2020

35.

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Wiki User

∙ 10y ago
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How many diagonals in decagon?

There are 35 diagonals in a 10 sided decagon


How many diagonals does tetra-decagon have?

A tetra-decagon is a 14 sided polygon having 77 diagonals


How many diagonals in decagon have?

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How many line segmants are in a decagon?

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How many diagonals does a 2d decagon have?

54 Diagonals. * * * * * A polygon with n sides has 1/2*n*(n-3) diagonals. So a decagon would have 1/2*10*7 = 35 diagonals. How the Community answer got 54 is anybody's guess!


How many triangles are formed by drawing diagonals from one vertex in a decagon?

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How many diagonal lines can be in a ten sided figure?

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What polygon has 20 diagonals?

decagon


How many diagonals does a convext decagon have?

A convex decagon has 10 sides. The formula for calculating the number of diagonals in a polygon is ( \frac{n(n-3)}{2} ), where ( n ) is the number of sides. For a decagon, substituting ( n = 10 ) gives ( \frac{10(10-3)}{2} = \frac{10 \times 7}{2} = 35 ). Therefore, a convex decagon has 35 diagonals.

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