adostal7 Works
Geometry 3.3: Proving Lines Parallel – Slope and Angle Exploration
Husker Logo Dilation: Equilateral Triangles and Geometric Transformations
Triangle Dilation by Alex Dostal
Exploring Quadratic Equation Properties
Integer Addition/Subtraction Demonstration: Exploring Number Line and Vector Ope
Area of a Regular Polygon by Alex Dostal
Rectangle Area Model