Calculator and formulas for calculating area, perimeter and diagonal of a rectangle
A rectangle is a quadrilateral with four right angles. To calculate the rectangle, two parameters must be known. The result shows the properties that can be calculated from the specified parameters.
To perform the calculation, select the type of parameters and enter their values. Then click the 'Calculate' button.
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Length\(\displaystyle a = \frac{A}{b}\)
Width\(\displaystyle b = \frac{A}{a}\)
Area\(A = a ·b\)
Perimeter\(P = (2 · a) + (2 · b)\)
Diagonal\(d = \sqrt{a^2 + b^2}\)
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