 | Robert Simson - 1775 - 534 strani
...to one another See N; " in a plane, which meet together, but are not in the fame " direction." IX. A plane rectilineal angle is the inclination of two...meet together, but are not in the fame ftraight line. « NB Book I. B CE ' NB When feveral angles are at one point B, any one ' of them is cxprefled by three... | |
 | Euclid - 1781 - 552 strani
...to one another See N. " in a plane, which meet together, but are not in the fame " direction." IX. A plane rectilineal angle is- the inclination of two...meet together, but are not in the fame ftraight line. NB Book I. A! D CE * NB When fevcral angles are at one point B, any one of them is exprefled by three... | |
 | Robert Simson - 1781 - 534 strani
...lines to one another in a Se* N. " plane, wnich meet together, but are not in the fame direction." IX. A plane rectilineal angle is the inclination of two...to one another, which meet together, but are not in ihe fame ftraight line. A Book I. B ' NB When feveral angles are at one point B, anyone of them * is... | |
 | Euclid, James Williamson - 1781 - 324 strani
...the fuppofition that the lines are in the fame plane, as I mall have occafion to obferve. And, the plane rectilineal angle is the inclination of two ftraight lines to one another in or upon fuch an even furface as this, which meet together but are not in the fame direction. They... | |
 | Euclid - 1789 - 296 strani
...the ninth, there feems to be ftill a fuperfluous condition. He defines a rectilineal angle, to be " the inclination of two ftraight lines to one another,...meet together, but are not in the fame ftraight line ." Now their not being in the fame ftraight line, is a neceflfary confequence, obvioufly included in... | |
 | Euclid, John Playfair - 1795 - 462 strani
...the meeting of other lines than ftraight lines. A pl»ne angle is faid to be ' the inclination of two lines to one another which meet together, but are not in the feme direftion.' This definition is omitted here, becaufe that the angles formed by the meeting of... | |
 | Alexander Ingram - 1799 - 374 strani
...ftraight line between them lies wholly in that fupeificies. VIII. Omitted. IX. A plane reftilineal angle is the inclination of two ftraight lines to...meet together, but are not in the fame ftraight line. B NB BooK T. ' NB When feveral angles are at one point B, any one * of them is expreffed by three letters,... | |
 | John Bonnycastle - 1803 - 470 strani
...feemstobeftillafuperfluous condition. He defines ar*Qi» lineal angle, to be " the inclination of two ftraight line* to one another, which meet together, but are not in the fame ftraight line." Now their not being in the fame flraight line, is a neceffary confequence, obvioufly included in their... | |
 | Robert Simson - 1804 - 530 strani
...to one another in a See N. " plane, which meet together, but are not in the fame direction." IX. i A plane rectilineal angle is the inclination of two...to one another, which meet together, but are not in tbe fame ftraight line. A Book 1. B « NB When feveral angles are at one point B, any one of them «... | |
 | John Playfair, Euclid - 1804 - 468 strani
...meeting of other lines than flraight lines. A plane angle is faid to be " the inclina" tion of two lines to one another which meet together, but are " not in the fame direftion." This definition is omitted here, becaufe that the angles formed by the meeting of curve... | |
| |
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. 
