Angle sum of a quadrilateral

Author: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.

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גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Cartesian vs Polar

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