Enter decagonal number
Calculate decagonal number 45
Decagonal Number Definition
Decaongal = A figurate number.
Decagonal Number Formula
D45 = 4n2 - 3n
Plug in n = 45
D45 = 4(452) - 3(45)
D45 = 4(2025) - 135
D45 = 8100 - 135
D45 = 7,965
You have 2 free calculationss remaining
What is the Answer?
D45 = 7,965
How does the Decagonal Number Calculator work?
Free Decagonal Number Calculator - This calculator determines the nth decagonal number
This calculator has 1 input.
This calculator has 1 input.
What 1 formula is used for the Decagonal Number Calculator?
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
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