100 sided polygon has = n(n-3)/2 diagonals = 100(100-3)/2 = 4850 diagonals
0.5*(1002-300) = 4850 diagonals
A regular 100-sided polygon has 4,850 diagonals. You can either check this for yourself, or use the formula provided in Related Questions below.
100*(100-3)/2 = 4850
It has: 0.5*(100^2-(3*100)) = 4850 diagonals
100 diagonals * * * * * No, it is 0.5*10*(10-3) = 35
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There are: 0.5*(1002-(3*100)) = 4850 diagonals
1/2*(1002-300) = 4850 diagonals
The name of a 100 sided polygon is Hectogon.
The name of a 100 sided polygon is Hectogon.
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The name of a polygon with 100 sides is a "hecatontagon," and a polygon with 1000 sides is called a "chiliagon." So, if you ever need to impress someone at a party with your knowledge of shapes, now you know what to call those bad boys.