- Misc ToolsTriangle Angle Sum Theorem ProofUnit Circle - exact valuesBase Angles Theorem and Its Converse.Rotation of Regular PolygonsExterior Angle TheoremTriangle Side Angle ExplorationUnit Circle - Trig functions vs Geometry definitionsBasketball take 2Point Slope WorksheetRubber Pencil Illusionlaw of sines (proof)Factorization - Visual illustration of divisor pairsPendulum Wave Machine (Simulation)Upper and Lower SumGeoGebra QuickstartIntroduction to GeoGebraIntroducing Dynamic Mathematics Software to Teachers
