 | Euclid, Dionysius Lardner - Euclid's Elements - 1828 - 542 pages
...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,... | |
 | John Playfair - Euclid's Elements - 1832 - 358 pages
...the straight line between them lies wholly in that superficies. VI. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are notin the same straightline. • The definitions marked with inverted commas are different from those... | |
 | Euclid - 1835 - 540 pages
...plane, which meet together, but are not in " the same direction." IX. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. Book I. -CE NB ' Wheir several angles are at one point B, any one of them is expressed by three letters,... | |
 | John Playfair - Euclid's Elements - 1835 - 336 pages
...two straight lines to one another, which meet together, but are not in the same straight line. A IB C NB ' When several angles are at one point B, any one of them is ex' pressed by three letters, of which the letter that is at the vertex of the an' gle, that is. at... | |
 | Mathematics - 1836 - 488 pages
...the straight line between them lies wholly in that superficies. 6. A plane rectilinial angle is the inclination of two straight lines to one another,...meet together but are not in the same straight line. 7. When a straight line standing on another straight line makes the adjacent angles equal to one another,... | |
 | Edward Tagart - Logic - 1837 - 156 pages
...pp. 158, 160. Take for example the ninth and eleventh definitions. " A plane rectilineal angle is the inclination of two straight lines to one another,...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 be said... | |
 | Andrew Bell - Euclid's Elements - 1837 - 290 pages
...the straight line between them lies wholly in that superficies. 9. A plane rectilineal angle is the 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... | |
 | John Playfair - Euclid's Elements - 1837 - 332 pages
...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... | |
 | Robert Simson - Geometry - 1838 - 434 pages
...plane, which meet together, but are not in the same direction." IX. A plane rectilineal angle is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. AD NB ' When several angles are at one point B, any one of them ' is expressed by three letters, of... | |
 | Euclides - 1838 - 264 pages
...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... | |
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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. 
