From the Book - 3rd edition.
Getting started with geometry basics. Introducing geometry ; Building your geometric foundation ; Sizing up segments and analyzing angles
Introducing proofs. Prelude to proofs ; Your starter kit of easy theorems and short proofs ; The ultimate guide to tackling a longer proof
Triangles: polygons of the three-sided variety. Grasping triangle fundamentals ; Regarding right triangles ; Completing congruent triangle proofs
Polygons of the four-or-more-sided variety. The seven wonders of the quadrilateral world ; Proving that you have a particular quadrilateral ; Polygon formulas: area, angles, and diagonals ; Similarity: same shape, different size
Working with not-so-vicious circles. Coming around to circle basics ; Circle formulas and theorems
Going deep with 3-D geometry. 3-D space: proofs in a higher plane of existence ; Getting a grip on solid geometry
Placement, points, and pictures: alternative geometry topics. Coordinate geometry ; Changing the scene with geometric transformations ; Locating loci and constructing constructions
The part of tens. Ten things to use as reasons in geometry proofs ; Ten cool geometry problems.
