How to use the calculator Enter the number of points n that form the irregular polygon and the coordinates x and y of the vertices and press calculate area. The vertices coordinates must be input in order: either clockwise or

Oct 19, 2022 ยท If you want to calculate the perimeter of an irregular trapezoid, there's no special formula - just add all four sides: Trapezoid perimeter = a + b + c + d Maybe you've noticed, but

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