Angle sum of a quadrilateral

Auteur :mathstobie, amylava

Students move the points around to investigate the angle sum of a quadrilateral. There is also an option to show whether the quadrilateral is convex or concave.

Nouvelles ressources

Deciding How New Information Affects Probability
繪畫垂直線
Segment Addition Postulate (Mild Questions)
Modifiable Right Triangular Prism
Rossler's Attractor

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Weekly Project Joseph EC
Animation 53
Final
From Cubic to Equilateral Triangle
Rabota

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Expériences Aléatoires
Nuage de Points
Rectangle
Similitude
Algèbre