Rhombus Area Calculator
Calculator and formulas for calculating the area, perimeter and angles of a rhombus
This function calculates the area, the perimeter and the angles of a rhombus. Enter the length of the diagonals. Then click on the 'Calculate' button.
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Description of a diamond
In geometry, a diamond or rhombus is a flat square with four sides of equal length. Opposite sides are parallel and opposite angles are equal. Here you will find a number of formulas for calculating rhombuses.
Formulas
Area (A)
\(\displaystyle A = \frac{e·f}{2}\)
Perimeter (P)
\(\displaystyle P = 2· \sqrt{e^2+f^2}\)
Angle (α)
\(\displaystyle α = 2*tan\left(\frac{b}{a} \right) \)
Angle (β)
\(\displaystyle \beta = 2*tan\left(\frac{a}{b} \right) \)
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