Mr. D's Ipad Sketchpad Site
3.9 - Parallel & Perpendicular Slopes
5.1 - Midsegments of Triangles
5.2-5.4 - Points of Concurrency
6.2 - Properties of Parallelograms
6.4 - Rectangles, Rhombuses and Squares
8.2 & 8.3 - The Pythagorean Theorem and Its Converse
9.4 - Rotations (NEW GEOGEBRA)
9.6 - Dilations (NEW GEOGEBRA)