Geometry formula reference / cheat sheet. For everyday use at school, work and home.**Angles**

Type Of Angles**Triangles**Relations Between Angles

Interior Angles, Exterior Angles

Angle Bisectors

Median

Triangle Theorems

Right Triangle

Similarity

Interior Angle Bisector Theorem, Exterior Angle Bisector Theorem

Ceva’s Theorem, Stewart’s Theorem, Basic Proportionality Theorem, Menelaus’ Theorem, Carnot’s Theorem

**Trigonometry**

Unit Circle

Trigonometric Functions

Sum and Product Formulas

Sum and Difference Identities

Reciprocal, Pythagorean and Quotient Identities

Negative Angle Identities

Trigonometric Function Signs

Trigonometric Values for Common Angles