| PART I. | |
|---|---|
| Lines | 9 |
| Points | 9 |
| Crooked Lines | 10 |
| Curved Lines | 11 |
| Straight Lines | 11 |
| Other Lines | 11 |
| Positions of Lines | 14 |
| Angles | 17 |
| Relations of Angles | 20 |
| Adjacent Angles | 20 |
| Vertical Angles | 21 |
| Kinds of Angles | 23 |
| Right Angles | 23 |
| Acute Angles | 24 |
| Obtuse Angles | 24 |
| Relations of Lines | 27 |
| Perpendicular Lines | 27 |
| Parallel Lines | 28 |
| Oblique Lines | 28 |
| Interior Angles | 30 |
| Exterior Angles | 31 |
| Opposite Angles | 32 |
| Alternate Angles | 33 |
| Problems relating to Angles | 38 |
| Polygons | 40 |
| Triangles | 44 |
| Isosceles Triangles | 48 |
| Problems relating to Triangles | 53 |
| Quadrilaterals | 55 |
| Parallelograms | 59 |
| Comparison and Contrast of Figures | 62 |
| Measurement of Surfaces | 66 |
| Problems relating to Surfaces | 71 |
| The Circle and its Lines | 73 |
| Arcs and Degrees | 78 |
| Parts of the Circle | 82 |
| PART II. | |
| AXIOMS AND THEOREMS. | |
| Axioms. Illustrated | 85 |
| Theorems. Illustrated | 88 |