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`c = sqrt( "a" ^2+ "b" ^2)`

Enter a value for all fields

The **Diagonal of a Squared** calculator *Rectangle*computes the length of the diagonal of a rectangle.

**INSTRUCTIONS:** Choose your preferred length units and enter the following:

- (
**a**) Length of Side**a**of Rectangle - (
**b**) Length of Side**b**of Rectangle

**Diagonal Length (c):** The calculator returns the length of the diagonal (**c**) in feet. However, this can be automatically converted to other length units (e.g. centimeters) via the pull-down menu.

A rectangle is a four sided polygon (quadrilateral) with four squared corners (90^{o}). The diagonal is computed using the Pythagorean formula.