Angle sum of a quadrilateral

Autor: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.

Nuevos recursos

Linear Combination of Vectors
Graphing Basic and Compound Inequalities
Deriving the Sector Area Formula
Angle Addition Postulate (V2) - Integer Solutions
Deriving the Arc Length Formula

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Linear Algebra
YFlotaG1
if 3 transversal
BASE_stCircle
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