Online calculator and formulas for calculating regular polygons with n vertices
This function calculates various parameters of a regular polygon.
To perform the calculation, select the required parameter in the menu and enter its value and the number of vertices. Then click the 'Calculate' button.
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Perimeter \(P\) |
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\(\displaystyle P = a · n \) |
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Area \(A\) |
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\(\displaystyle A =\frac{n}{4} · cot\left(\frac{180}{n}\right) · a^2 \) |
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Circumcircle radius \(ra\) |
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\(\displaystyle ra = \frac{1}{2} ·csc\left(\frac{180}{n} \right) ·a\) |
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Incicle radius \(ri\) |
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\(\displaystyle ra = \frac{1}{2} ·cot\left(\frac{180}{n} \right) ·a\) |
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