- Geometry
- Rectangle and Triangle Area Relationship
- Area of a parallelogram
- Area of a Rhombus
- Area of a kite
- Area of a Kite
- Area of Trapezoid Applet
- Area of a Trapezium finding and comparing
- Explore the Hinge Theorem and its Converse.
- Triangle Inequalities
- Triangle Inequality Investigation
- Exploring Special Right Triangles
- Pythagorean Theorem - a "proof without words"
- Pythagorean theorem
- Pythagorean Theorem - with regular polygons
- ACCESS - Similar Triangles
- 8.1 Pythagorean Thm & Converse & Pythagorean Ineq Thm
- Side, Perimeter, and Area of Similar Figures.
- Point in an Equilateral Triangle - revisited
