Geometry
Here you can find information and guides on various geometry topics.

All the CrossSections of a Cone

All the CrossSections of a Cube

All the CrossSections of a Cylinder

Converse of the Pythagorean Theorem – Formulas and Examples

Vertical Angles Theorem with Examples

Height of a Scalene Triangle – Formulas and Examples

Inscribed Angle Theorem – Cases and Proofs

Inscribed Angle Theorem – Formulas and Examples

Adjacent Angles – Definition, Properties and Examples

Examples and Problems with Thales’ Theorem

Thales’ Theorem – Explanation and Examples

3D Pythagorean Theorem – Formula and Examples

Equilateral, Isosceles and Scalene Triangles

Stellations – Diagrams and Examples

Missing Square Puzzle – Diagram and Solution

Special Triangles – Formulas and Examples

Similar and Congruent Triangles – Criteria

Triangle Inequality – Definition, Proof and Examples

Similar Figures and Scale Factors

Sum of Interior Angles of a Polygon – Formula and Examples