GeometryByExample Core Program – GeometryByExample Assignment 11.09
11.9 Arcs and Segments
11.12 Equation of a Circle – Part 1
11.13 Equation of a Circle – Part 2
1.10c Proving Angle Theorems – Part 1
1.11c Proving Angle Theorems – Part 2
1.12c Proving Parallel Lines
1.13c Proving Perpendicular Lines