Indicator main n ''. Is a side parallel to the indicator base, has a length and a value n equal to 1,2,3...n times the length give them sides of them lines broken, if and only if, the polygon concave ordered is divided in square or rhombuses congruent, and if the polygon concave ordered is divided in rectangles or rhomboid congruent, then the value n is equal to 1,2,3...n times an of them two lengths of the sides of them lines broken.
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