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# 2433.1. Polygon angle sum, convex or concaved quadrangle, polygon diagonale.

With which of the formulas is it possible to define the total summ of the polygonal's angles?

#### Next task: 2434. Polygon angle sum, convex or concaved quadrangle, polygon diagonale.

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Polygon angle sum, convex or concaved quadrangle, polygon diagonale.

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