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

Rovnoběžnost rovin
Right Triangle Inscribed in a Semicircle
Mandelbrot 2
Calculating Arc Length, Radius, and Central Angle
繪畫垂直線

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Trigonometric Ratios and Reference Angles of General Angles
Pappos Theorem for points on a circle
Circle Rolling Inside Another Circle - Locus
Crossed Quadrilateral
solid with equilateral triangle cross-sections

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Procesos estocásticos o aleatorios
Ecuaciones
Cálculo
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