• Critical theorems for geometry proofs
• The principles and formulas you need to know
• Key concepts in quick, focused lessons

All you need to get in shape for geometry

This practical, friendly guide focuses on critical concepts taught in a typical geometry course. Get a handle on the basics ? from lines, segments, and angles to vertices, altitudes, and diagonals. Learn the properties of triangles, parallelograms, circles, and cylinders. Master the skills and strategies you need to write geometry proofs. Geometry Essentials For Dummies is perfect for cramming, doing homework, or as a reference for parents helping kids study for exams.

Inside...

• Common geometry terms
• Tips for tackling geometry proofs
• The quadrilateral family
• Straight talk on circles
• Essential triangle formulas
• Spheres, cylinders, prisms, and pyramids