Investigate_angle sum of a quadrilateral

Author:Fathima G, 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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רישום חופשי
Shells
Reflection Across 2 Parallel Lines
Triangle with 3 Right Angles
Reflection across a line

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Wrekin - AH
Day 98
Coop_D
Celestial sphere

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Statistical Characteristics
Dilation
Coordinates
Root
Percentages