Calculator and formulas for an axial symmetric pentagon
This function calculates various parameters of an axisymmetric pentagon.
To calculate, enter the lengths a, b and c and the angle alpha (α). Then click on the 'Calculate' button.
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Perimeter
Area
\(\displaystyle A = \frac{1}{4}·\sqrt{(d+a)^2·(d-a+2·b)·(a-d+2·b)}\) \(\displaystyle +\frac{1}{2}·\sqrt{\frac{4·c^2-d^2}{4}}·d\)
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