 | Edward Augustus Kendall - 1811 - 462 pages
...is, into plane, spherical, and solid. Angle, a plane, rectilineal, is the inclination of two straight lines to one another, which 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... | |
 | John Gummere - Surveying - 1814 - 398 pages
...wholly in that superficies. -- , t 7- 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, as A, Fig. 1 . Note. — When several angles are formed about the same point, as at... | |
 | Euclides - 1816 - 588 pages
...same direction." ••••'i " IX, A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight lice. ': ".!,j ii. , •'• .. B •'•••-.• ' ii5 BOOK I. XXVI. A scalene triangle,... | |
 | Encyclopedias and dictionaries - 1816 - 764 pages
...them lies wholly in that fupcrficies. 6. 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. Fig- i. Nate. When feveral angles are formed at the fame point, as at B, fig. 3.... | |
 | John Mason Good - 1819 - 800 pages
...not in the same direction.1' 9. Л plane rectilineal angle is the inclination of two straight line» to one another, which meet together, but are not in the same straight line. 10. When a straight line standing on another straight line mates ;he adjacent angles... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...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, but are not in the same straight «ine. NB ' When several angles are at one point B, any one of them is expressed by three... | |
 | George Lees - 1826 - 276 pages
...also lines. Book I. ELEMENTS 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. B NB — When several angles are at one point B, any one of them is expressed by three... | |
 | Robert Simson - Trigonometry - 1827 - 546 pages
...are " not in the same direction." IX. 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. NB ' When several angles are at one point B, any ' one of them is expressed by three... | |
 | John Radford Young - Euclid's Elements - 1827 - 228 pages
...convey but an indistinct notion of angular magnitude ; he calls it " the inclination of two straight lines to one another, which meet together, but are not in the same straight line." To understand • this definition, it is necessary previously to know what is meant... | |
 | 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,... | |
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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. 
