 A plane, rectilineal Angle, is the inclination of two straight lines to one another, which meet together, but are not in the same straight line. The most general division of angles is, into plane, spherical, and solid.  Pantologia. A new (cabinet) cyclopædia, by J.M. Good, O. Gregory, and N ...autor: John Mason Good - 1813Pełny widok - Informacje o książce
 | John Playfair - 1836 - Liczba stron: 488
...the meeting of 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 direc" tion." This definition is omitted here, because that the angles formed by the meeting of curve... | |
 | Edward Tagart - 1837 - Liczba stron: 156
...Stewart's Philosophy, vol. ii. pp. 158, 160. Take for example the ninth and eleventh definitions. " A plane rectilineal angle is the inclination of two...meet together but are not in the same straight line." " An obtuse angle is that which is greater than a right angle." With what propriety can it he said... | |
 | Andrew Bell - 1837 - Liczba stron: 290
...the straight line between them lies wholly in that superficies. 9. A plane rectilineal angle is the A inclination of two straight lines to one another,...meet together, but are not in the same straight line. When several angles are at one point B, any one of them is expressed by three letters, of which the... | |
 | S. E. Parker - 1837 - Liczba stron: 338
...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... | |
 | Euclid - 1838 - Liczba stron: 470
...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. AD XXXI. An oblong, is that which has all its angles right angles, but has not all its sides equal.... | |
 | Euclides - 1838 - Liczba stron: 264
...which any two points being taken, the straight line between them lies wholly in that surface. VII. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. It Is better to say that a plane rectilineal angle, or simply a rectilineal angle, is the opening between... | |
 | John Playfair - 1838 - Liczba stron: 342
...which any two points being taken, the straight une between them lies wholly in that superficies. 6. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. C E NB 'When several angles are at one point B, any one of them is ex' pressed by three letters, of... | |
 | S. E. PARKER - 1838 - Liczba stron: 340
...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... | |
 | Dionysius Lardner - 1838 - Liczba stron: 382
...the Elements, as being useless. (10) IX. A plane rectilinear angle is the inclination of two right lines to one another, which meet together, but are not in the same right line. (11) X. When a right line standing on another right line makes the adjacent angles equal,... | |
 | Thomas Curtis (of Grove house sch, Islington) - 1839 - Liczba stron: 824
...which any two points being taken, the straight line between them lies wholly in that superficies. 6. A PLANE RECTILINEAL ANGLE is the inclination of two...meet together, but are not in the same straight line. Fig.2. Note. When several angles are formed at the game point, as at В fig. 3, each particular angle... | |
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