- G. Lara Geometry Book
- 5.5 (McDougal Littell Geometry) Triangle Inequality Theorem
- All kinds of parallelograms
- Explore circumcenters, incenters, centroids and orthocenters
- All kinds of trapezoids
- All kinds of rhombi
- All kinds of kites
- All kinds of squares
- Exterior Angle Theorem
- Triangle Side Angle Exploration
- Parallel lines
- Incenter
- Orthocenter
- Interior Angles - Polygons
- Circumcenter
- Centres of a Triangle
- Constructing a Perpendicular Bisector / Mid-point
- area of a parallelogram
- tangent-chord angle
- triangle midpoint theorem
- Distance Formula
