 | Robert Simson - 1775 - 534 σελίδες
...but are not in the fame " dire&ion." 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. CE * of them is exprefled by three letters, of which the letter that... | |
 | Euclid - 1781 - 552 σελίδες
...not in the fame " direction." yiii. IX. A plane rectilineal angle is- the inclination of two flraight lines to one another, which meet together, but are not in the fame ftraight line. Book I. A! B CE ' NB When feveral angles are at one point B, an ' of them is expreffed... | |
 | Euclid - 1789 - 296 σελίδες
...ftill a fuperfluous condition. He deiines 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 neceffary confequence, obvioufly... | |
 | Euclid, John Playfair - 1795 - 462 σελίδες
...the meeting of other lines than ftraight Unes. A plane angle is faid to be ' the inclination of two lines to one another which meet together, but are not in the fame direction." This definition is omitted here, becaufe that the angles formed by the meeting of... | |
 | Alexander Ingram - 1799 - 374 σελίδες
...in that fupeificies. VIII. Omitted. 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. B NS BooK T. * of them is expreffed by three letters, of which the letter that... | |
 | John Bonnycastle - 1803 - 306 σελίδες
...Hill a fuperfluous condition. He defines a reftilineal 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 neceffary confequence, obvioufly... | |
 | John Playfair, Euclid - 1804 - 468 σελίδες
...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... | |
 | Robert Simson - 1806 - 546 σελίδες
...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 C E NB ' When several angles are at one point B, any one of ' them is expressed by three letters,... | |
 | Euclid - 1810 - 554 σελίδες
...to one another See N. " in a plane, which meet together, but are jiot in the same " direction." IX. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. Book I, BC NB « When several angles are at one point B, any one of them is expressed by three letters,... | |
 | Edward Augustus Kendall - 1811 - 462 σελίδες
...The most general division of angles is, into plane, spherical, and solid. Angle,aplane, 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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taken, 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 not in the same straight line. E NB ' When several angles are at... 
