 | Robert Simson - 1762 - عدد الصفحات: 488
...taken, the . „ ftraight line between them lies wholly in that fuperficies. VIII. " A plane angle is the inclination of two lines to one another in a ^ " plane, which meet together, but are not in the fame direction." IX. A plane rectilineal angle is the inclination of two ftraicrht lines to one another,which... | |
 | Robert Simson - 1806 - عدد الصفحات: 546
...that superficies. VIII. •- A plane angle is the inclination of two lines 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 straight lines' to one another, which meet... | |
 | Euclides - 1816 - عدد الصفحات: 588
...in that superficies. yllI. '< A plane angle is the inclination of two lines to one ano- see N " ther in a plane, which meet together, but are not in the " same direction." ••••'i " IX, A plane rectilineal angle is the inclination of two straight lines to one another,... | |
 | John Mason Good - 1819 - عدد الصفحات: 800
...line between them lies wholly in that superficies. 8. " Л plane angle is the inclination of twolines to one another in a plane, which meet together, but are not in the same direction.1' 9. Л plane rectilineal angle is the inclination of two straight line» to one another,... | |
 | Euclid, Robert Simson - 1821 - عدد الصفحات: 514
...being taken,* the straight line between them lies wholly in that superficies. VIII. " A plane angle is the inclination of two lines to one another* in, a...meet together, but are not in the same direction." IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | Euclid - 1822 - عدد الصفحات: 222
...conceiving that any part of it is also a plane, though that part be bounded by a curve. DEF. 8. BI In the Greek copies this is the ninth definition,...the angle of a semicircle and segment (Prop. 16. and 31. B. 3.) which ought entirely to be rejected, as producing nothing but paradoxes and disputes, wholly... | |
 | Peter Nicholson - 1825 - عدد الصفحات: 1046
...being taken, the straight line between them lies wholly in that superficies. 8. " A plane angle is the inclination of two lines to one another in a plane,...meet together, but are not in the same direction." p. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | Robert Simson - 1827 - عدد الصفحات: 546
...taken, the straight line between them lies wholly in that superficies. B VIII. See N. " A plane angle is the inclination of two lines to one " another in a...meet together, but are " not in the same direction." IX. A plane rectilineal angle is the inclination of two straight lines to one another, which meet together,... | |
 | Euclid, Dionysius Lardner - 1828 - عدد الصفحات: 542
...which is not a plane, or composed of planes, is called a curved surface. (9) VIII. A plane angle is the inclination of two lines to one another, in a...but are not in the same direction. This definition, which is designed to include the inclination of curves as well as right lines, is omitted in some editions... | |
 | Robert Simson - 1835 - عدد الصفحات: 544
...lies wholly in that superficies. VIII. " A plane angle is the inclination of two lines to one see N. " another in a 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, which meet together,... | |
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A plane angle is the inclination of two lines to one another in a plane, which meet together, but are not in the same direction. 
