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C program to find decagon numbers?

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Aug 31, 2023 pm 11:09 PM

c programLook fordecagon number

Decagonal numbers are graphics derived using the concepts of triangular numbers and square numbers. Extensions of this number pattern are created using non-rotationally symmetric numbers. This number for nested decagons is given by the number of points in the number of nested decagons created.

For example, for the 3rd decagon number, 3 decagon numbers are nested in iX times the number of sides of the decagon. As shown in the picture-

C program to find decagon numbers?

The side of the first external figure = 30

The side of the second external figure = 20

Inner picture Edges in = 10

All shared edges = 6 2

Total = 30 20 10-(6 2) = 52

This result is generalized using the formula 4n2 - 3n .

This gives the decagonal number of n

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