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When you know two lengths (or the area) or one length (area) and one angle of a rectangular triangle, you can calculate the other measures (side lengths, altitude, segments of the hypothenuse, perimeter, area and angles).
Type two known quantities of a rectangular triangle into the corresponding field. All lengths
and the area must have the same unit (e.g. cm and cm2). The unit
of the angles is degree. After a mouse click on any free space of the window or the
"calculate"-button the calculation is performed.
The fields with the input quantities have a light green background, the background
of the output quantities is colored pink.
Example: The segment p of the hypothenuse (below the side b) of a rectangular triangle is 2 m long anf the altitude h over c has a length of 3 m. Type the known values into the corresponding fields. After a mouse click on any free space of the window or the "calculate"-button you can read the results of the other measures (e.g. the length of the hypothenuse c is 6.5 m).
© Bernd Krüger, 19.06.2010, 01.07.2018
Bernd Krüger, 2020