This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Converted to SVG using Inkscape, swapped axes to reflect US convention.. The original can be viewed here: Polygon area formula.jpg: . Modifications made by Nat2.
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Original upload log
This image is a derivative work of the following images:
Made file smaller, added points, and made some text smaller. I am hoping that the issue with the concurrent Svenska version has been fixed: all five points appear in Inkscape, but not when Wikipedia renders it. However, this version hopefully shouldn't ha