 | Robert Simson - 1775 - 534 ページ
...are not in the fame " direction." IX. A plane rectilineal angle is the inclination of two ftraight lines to one another, which 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... | |
 | Euclid - 1781 - 552 ページ
...are not in the fame " direction." IX. A plane rectilineal angle is- the inclination of two ftraight lines to one another, which 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... | |
 | Euclid - 1789 - 296 ページ
...ftill a fuperfluous condition. He defines a rectilineal angle, to be " the inclination of two ftraight lines to one another, which meet together, but are not in the fame ftraight line ." Now their not being in the fame ftraight line, is a neceflfary confequence, obvioufly... | |
 | Euclid, John Playfair - 1795 - 462 ページ
...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 ページ
...in that fupeificies. VIII. Omitted. IX. A plane reftilineal angle is the inclination of two ftraight lines to one another, which 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... | |
 | John Playfair - 1806 - 320 ページ
...which any two points being taken, the straight line between them lies wholly in that superficies. VI. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. A NB ' When several angles are at one point B, any one ' of them is expressed by three letters, of... | |
 | Robert Simson - 1806 - 546 ページ
...to one another See N. " 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. B B C NB c When several angles are at one point B, any one of < them is expressed by three letters,... | |
 | Isaac Dalby - 1807 - 476 ページ
...two points being taken, the right line between them lies wholly ia that plane or superficies. 8. A rectilineal angle is the inclination of two straight lines to one another, which meet in a point called the angular point, as the angle C. C \ An angle is usually denoted by three letters,... | |
 | 1811 - 566 ページ
...a right line, contrary to the 9th definition of Euclid's first Book, in which it is affirmed that ' a plane rectilineal angle is the inclination of two...together, but are not in the same straight line.' Book IV. relates to the construction of polygons, their inscrptkm in, and circumscription about, circles.... | |
 | Edward Augustus Kendall - 1811 - 462 ページ
...most general division of angles is, into plane, spherical, and solid. Angle, a plane, rectilineal, is the inclination of two straight lines to one another,...meet together, but are not in the same straight line. See Fig. 6. Angle, spherical, is an angle formed on the surface of a sphere by the intersection of... | |
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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. 
