Medians of Triangles
Move the three points below to explore the relationships between medians of a triangle. At what point do the medians intersect the sides of the triangle? How can you tell?
Writing Equations to Represent Tables 007
Pythagorean theorem -animated
Exterior Angle Demo for Pentagon
Sine, cosine and tangent in a Unit Circle.
Sum of the exterior angles quadrilateral
Line Integral Visual
A theorem on regular n-gons (n is even)
Henk Reuling Squares and Triangle Puzzle
Stage 4 transformations (translation, reflection,rotation)