All Geometry Formulas and Equations Cheat Sheet
Geometry formula reference / cheat sheets. For everyday use at school, work and home.
Angles
Type Of Angles
Triangles
Relations Between Angles
Interior Angles, Exterior Angles
Angle Bisectors
Interior Angle Bisector Theorem, Exterior Angle Bisector Theorem
Median
Triangle Theorems
Ceva’s Theorem, Stewart’s Theorem, Basic Proportionality Theorem, Menelaus’ Theorem, Carnot’s Theorem
Right Triangle
Similarity
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
General
Geometric Symbols
Circles
Quadrilaterals
Regular Polygons
Quadrilaterals
Formulas for Area, Perimeter, Volume
Planar Two Dimensional Shapes
Three-Dimensional Objects