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2435.1. Polygon angle sum, convex or concaved quadrangle, polygon diagonale.


Write the correct answer!

If the triangle EFD is cut, the number if diagonals change from
to
The summ of angles change from
°
to
°
Grade:
8
Subject
Geometry
Theme
Polygon angle sum, quadrangle.
Subtheme
Polygon angle sum, convex or concaved quadrangle, polygon diagonale.

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