Just the critical concepts you need to score high in geometry. This practical, friendly guide focuses on critical concepts taught in a typical geometry course, from the properties of triangles, parallelograms, circles, and cylinders, to the skills and strategies you need to write geometry proofs. Geometry Essentials For Dummies is perfect for cramming or doing homework, or as a reference for parents helping kids study for exams.

Includes index.

Introduction -- An overview of geometry -- Geometry proof starter kit -- Tackling a longer proof -- Triangle fundamentals -- Congruent triangle proofs -- Quadrilaterals -- Polygon formulas -- Similarity -- Circile basics -- 3-D geometry -- Coordinate geometry -- Ten big reasons to use in proofs.