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Old 08-27-2019, 05:41 AM
ArviLaanemets ArviLaanemets is offline Windows 8 Office 2016
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As you say you want to calculate a polygon (i.e. all sides can be of different length, and corners may be not 90º), you can't! Not enough info with lengths of sides only.


An example: When all sides are equal, the area of 4-side polygon can be anything between 0 and SideLength*SideLength.
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