Areas of Polygons and Circles

Areas of Parallelograms

Areas of Triangles, Trapezoids, and Rhombi

Areas of Regular Polygons and Circles

Areas of Irregular Figures

Geometric Probability

More Geometry Topics
Points, Lines, Planes, and Angles
Reasoning and Proof
Parallel and Perpendicular Lines
Congruent Triangles
Relationships in Triangles
Proportions and Similarity
Right Triangles and Trigonometry
Quadrilaterals
Transformations
Circles
Surface Area
Volume