Part One: Angles and polygons. Geometry. Polygons. Angles. Angles with parallel lines. Perpendicular lines. Triangles. Part Two: Measuring length. Precision and accuracy. Distance around. Solving geometry problems. Part Three: Measuring area. Square units. Rectangles and squares. Parallelograms. Triangles. Trapezoids. Circles. Surface area. Part Four: Measuring volume. Regular polyhedra. Volume of a rectangular solid. Volume of other solids. Converting units. Part Five: Congruent and similar triangles. Congruent triangles. Similar triangles. Right triangles. Trigonometric ratios. Part Six: Inductive and deductive reasoning. Survey problems. Part Seven: Summary and review. Review. Appendices: A. Tables. B. Answers.
