Enter decagonal number


  

Calculate decagonal number 30

Decagonal Number Definition

Decaongal = A figurate number.

Decagonal Number Formula

D30 = 4n2 - 3n

Plug in n = 30

D30 = 4(302) - 3(30)

D30 = 4(900) - 90

D30 = 3600 - 90

D30 = 3,510


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What is the Answer?
D30 = 3,510
How does the Decagonal Number Calculator work?
Free Decagonal Number Calculator - This calculator determines the nth decagonal number
This calculator has 1 input.

What 1 formula is used for the Decagonal Number Calculator?

Dn = 4n2 - 3n

For more math formulas, check out our Formula Dossier

What 6 concepts are covered in the Decagonal Number Calculator?

decagon
10 sided polygon or 10-gon
decagonal number
figurate number
a number that can be represented by a regular geometrical arrangement of equally spaced points. If the arrangement forms a regular polygon, the number is called a polygonal.
formula
a fact or a rule written with mathematical symbols. A concise way of expressing information symbolically.
number
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.
polygon
A plane figure bounded by a set of straight lines
Example calculations for the Decagonal Number Calculator
  1. 30th Decagonal number
  2. 45th Decagonal number

Decagonal Number Calculator Video


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