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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. "
A Treatise on Surveying, Containing the Theory and Practice: To which is ... - Página 25
por John Gummere - 1814 - 346 páginas
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The Elements of Euclid. Books I.-VI.; XI. 1-21 XII. 1-2. A New Text ..., Libro 1

Euclides - 1853 - 334 páginas
...a plane, which meet together in a point, but are not in the same direction. IX. A plane rectilinear angle is the inclination of two straight lines to one another, which meet together in a point, but are not in the same straight line. OBS. 1 . Unless the contrary be expressly stated,...
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Manual of astronomy

John Drew - 1853 - 331 páginas
...SJ Hersehel. PAKT III. PRACTICAL ASTRONOMY. DEFINITIONS. 205. 1. AN ANGLE is the inclination of two lines to one another, which meet together, but are not in the same direction. Since the principal part of Practical Astronomy consists in the right measurement of angles,...
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The Elements of geometry; or, The first six books, with the eleventh and ...

Euclides - 1855
...direction.] This definition is put in brackets, as useless, and unnecessary to be remembered. .IX. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. When two straight lines meet at a point, so that if produced they would intersect (cross) each other,...
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A course of practical geometry for mechanics

William Pease - 1856
...direction. Plane Angles are either Rectilineal, Curvilineal, or Mixtilineal. 18*. A Plane Eectilineal Angle is the inclination of two straight lines to...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 letters, of...
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Mensuration of lines, areas, surfaces, and volumes

Robert Rawson - 1856
...which meet together but are not in the same direction." IX. A plane rectilineal angle is the \ i» inclination of two straight lines to one another,...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 letters, of which...
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Gradations in Euclid : books i. and ii., with an explanatory preface [&c ...

Euclides - 1858
...line. A plane angle is the opening of two lines from their point of meeting, or of intersection. 9. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. A plane rectilineal angle is the opening of two straight lines from their point of meeting or of intersection,...
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The Train, Volumen5

1858
...friendship is the concord between, or inclination of, a knave and a fool, or two sharpers, or two fools, to one another, which meet together, but are not in the same straight line, each working for himself. This is the plane rectilineal angle of common life. VII. When one man stands...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1860 - 361 páginas
...two lines to each other in a plane, which meet together, but are not in the same straight line. IX. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. NB If there be only one angle at a point, it may be expressed by a letter placed at that point, as...
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Elements of Geometry: Containing the First Six Books of Euclid : with a ...

John Playfair - 1860 - 332 páginas
...which any two points being taken, the straight line between them lies wholly in that superficies. 6. A plane rectilineal angle is the inclination of two...which meet together, but are not in the same straight linn. E NB ' When several angles are at one point B, any one of them is expressed by three letters,...
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Plane Trigonometry ...

Isaac Todhunter - 1860
...We have first to explain how angles are measured. A plane rectilineal angle is defined by Euclid as the inclination of two straight lines to one another...meet together, but are not in the same straight line. And when a straight line standing on another makes the adjacent angles equal to one another, each of...
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