0
It is: 0.5*(10 squared - (3*10)) = 35 diagonals
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∙ 7y ago
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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 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 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
What is the total number of diagonals in a trapezoid?
There are two diagonals in a trapezoid.
