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Copy of Quadrilateral Angle Exploration

Author:Ray Herndon

New Resources

Tracing an Ellipse Using Two Circles
Fractal Tétraèdre. Dilatation -1/2 centre triangles
Regular Star Polygons
Graph of Slopes of Tangent Lines
Rule of Sarrus - Determinant of a 3×3 Matrix

Discover Resources

Fagnano's Problem
Kites and Trapezoids Exploration
Dynagraph_Peitz
Rolling Cubes
Integral Approximation

Discover Topics

Sine
Inequalities
Triangles
Bar Chart or Bar Graph
Incircle or Inscribed Circle

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