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2433.2. Polygon angle sum, convex or concaved quadrangle, polygon diagonale.

Write the correct answer!

Define the number of the polygon's sides, if the summ of the polygon's angles is
3060°
Grade:
8
Subject
Geometry
Theme
Polygon angle sum, quadrangle.
Subtheme
Polygon angle sum, convex or concaved quadrangle, polygon diagonale.

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