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n(n-3)/2 n - number of sides
...or an easy way for thickos that dont understand algebra forumals : n-3 x n / 2
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Earn +20 ptsQ: What are the number of diagonals of a decagon?
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What is the total number of diagonals in a decagon?
It is: 0.5*(10 squared - (3*10)) = 35 diagonals
What polygon has 20 diagonals?
decagon
how many diagonals decagon have?
35
How many line segmants are in a decagon?
A decagon has 10 sides and 35 diagonals
How many diaganols does a decagon have?
A decagon has 35 diagonals. This can be computed by multiplying ten by seven and dividing by two. Seven is derived from the number of sides minus three.
Related questions
What is the total number of diagonals in a decagon?
It is: 0.5*(10 squared - (3*10)) = 35 diagonals
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
What is the number of triangles formed in a decagon when all the diagonals from one vertex are drawn?
8
How many diagonals are in a Decagon?
35.
How many diagonals in decagon have?
35
What polygon has 20 diagonals?
decagon
how many diagonals decagon have?
35
How many line segmants are in a decagon?
A decagon has 10 sides and 35 diagonals
How many diaganols does a decagon have?
A decagon has 35 diagonals. This can be computed by multiplying ten by seven and dividing by two. Seven is derived from the number of sides minus three.
How many diagionals does a decagon have?
35 diagonals
How many diagonal in a regular decagon?
35 diagonals
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