| S. E. PARKER - 1838 - 323 ページ
...impart. When we, on first opening the pages of Euclid, read, " a line is length without breadth ;" " **a plane rectilineal angle is the inclination of two straight lines to one another** that meet in a point ;" " that a triangle is a plane figure bounded by three lines," &c. ; from hence... | |
| Euclides - 1838
...he posited in the surface. B2 VII. A plane rectilineal angle is the inclination of two straight Hues **to one another, which meet together, but are not in the same straight line.** It is better to say that a plane rectilineal angle, or simply a rectili. neal angle, it the opening... | |
| Euclides - 1841 - 351 ページ
...two lines to one " another in a plane, which meet together, but are " not in the same direction." IX. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** A NB ' When several angles aro at one point B, any ' one of them is expressed by three letters, of... | |
| Euclides - 1842
...lines to one another " in a plane : the lines meeting, but not lying in the same " direction." IX. **A plane rectilineal angle is the inclination of two straight lines to one another** ; the lines meeting, but not lying in the same direction. NB ' When several angles are at one point... | |
| John Playfair - 1842 - 317 ページ
...meeting of the other lines than straight lines. A plane angle is said to be "the inclination of two **lines to one another which " meet together, but are not in the same** direction." This definition is omitted here, because that the angles formed by the meeting of curve... | |
| William Pease - 1843 - 68 ページ
...not in the same direction.'' Plane Angles are either Rectilineal, Curvilineal, or Mixtilineal. IX. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** NB ' When several angles are at one point B, any ' one of them is expressed by three letters, of which... | |
| Euclid - 1845 - 199 ページ
...two lines to one " another in a plane, which meet together, but are not " in the same direction." IX. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** BC NB ' When several angles are at one point B, any one ' of them is expressed by three letters, of... | |
| Euclides - 1845
...two lines to each other in a plane which meet together, but are not in the same straight line. IX. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** D b C NB When several angles are at one point II, either of them is expressed by three letters, of... | |
| Euclides - 1846
...of two lines to one another in a plane, which meet together, but are not in the same direction. ix. **A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line.** NB, When several angles are at one point B, any one of them is expressed by three letters, of which... | |
| John Playfair - 1846 - 317 ページ
...meeting of the other lines than straight lines. A plane angle is said to be "the inclination of two **lines to one another which " meet together, but are not in the same** direction." This definition is omitted here, because that the angles formed by the meeting of curve... | |
| |