I am using simple coordinate geometry to initially calculate the area and the length of each edge of an irregular polygon (either concave or convex). Then I have a need to make small changes to the length of any individual edge, but I will not be changing the coordinates coordinates of the edge. So now I have a need to recalculate the area of the new polygon based only on the length of each edge.
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there is an excel spreadsheet with formulas to calculate regular and irregular polygon by using cartesian coordinates. It can be used to calculate land lot area, etc... http://maruzar.blogspot.com/2011/12/irregular-and-regular-polygon-area.html it is also calculate irregular & regular perimeter of polygon, please check explanation here, it can be used to check fence length of a land lot: http://maruzar.blogspot.com/2011/12/irregular-and-regular-polygon-perimeter.html |
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