Geometry
Here you can find information and guides on various geometry topics.
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All the Cross-Sections of a Cone
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All the Cross-Sections of a Cube
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All the Cross-Sections of a Cylinder
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Converse of the Pythagorean Theorem – Formulas and Examples
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Vertical Angles Theorem with Examples
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Height of a Scalene Triangle – Formulas and Examples
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Inscribed Angle Theorem – Cases and Proofs
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Inscribed Angle Theorem – Formulas and Examples
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Adjacent Angles – Definition, Properties and Examples
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Examples and Problems with Thales’ Theorem
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Thales’ Theorem – Explanation and Examples
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3D Pythagorean Theorem – Formula and Examples
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Equilateral, Isosceles and Scalene Triangles
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Stellations – Diagrams and Examples
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Missing Square Puzzle – Diagram and Solution
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Special Triangles – Formulas and Examples
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Similar and Congruent Triangles – Criteria
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Triangle Inequality – Definition, Proof and Examples
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Similar Figures and Scale Factors
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Sum of Interior Angles of a Polygon – Formula and Examples