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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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Natural philosophy for beginners

Isaac Todhunter - 1877
...most of the common terms is probably known to the reader, but we will draw attention to them. 12. An angle is the inclination of two straight lines to...meet together, but are not in the same straight line. Thus the two straight lines AO, BO, which meet at 0 form an angle there. The angle is not altered by...
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The elements of plane geometry, from the Sansk. text of Ayra Bhatta, ed. by ...

Āryabhaṭa - 1878
...to touch one another, when their ijircumferences meet in any point, but do not cut one •ther. XV. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. NB In the figure subjoined B is an angle and is thus expressed : " Angle AB 0." A BC XVI. When a straight...
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Euclid, books i. & ii., with notes, examples, and explanations, by a late ...

Euclides - 1879
...lines, as well as that formed by two straight lines, and is not required in the first two books.] 9. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. [Thus the inclination of the lines OA, OB is called the angle AOB, or BOA, or the angle at O. O Observe...
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Moffatt's pupil teachers' course (ed. by T. Page). Candidates, 2nd (-4th) year

Moffatt and Paige - 1879
...two lines to each other in a plane, which meet together, but are not in the same straight line. 9. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. ANB — When several angles are at one point, B, either of them is expressed by three letters, of which...
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Explanatory Mensuration

Alfred Hiley - 1879 - 230 páginas
...as in the case of a circle ; but it cannot be contained within. fewer than three straight lines. X. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. Thus the two straight lines CA and BA, meeting together at the point A, make the angle BAC, or, as...
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A complete set of male pupil teachers' examination questions in Euclid [book ...

W J. Dickinson - 1879 - 36 páginas
...respectively equal ? ' Answer him. 5. Explain clearly why the following definition is insufficient : — ' A plane rectilineal angle is the inclination of two straight lines to one another.' Define obtuse angle, isosceles triangle, rhomboid. 6. Define a plane superficies, a circle, an acute-angled...
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Education, Volumen21

1901
...think the balance of advantage will be found to lie with Euclid. I. DEFINITION OF AN ANGLE. Euclid : " A plane rectilineal angle is the inclination of two...together, but are not in the same straight line." Modern writers define this concept variously. Davies : " An angle is the amount of divergence of two...
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The Elements of Euclid for the Use of Schools and Colleges: With Notes, an ...

Isaac Todhunter - 1880 - 400 páginas
...of two lines to one another in a plane, which meet together, but are not in the same direction. 9. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. Note. When several angles are at one point B, any one of them is expressed by three letters, of which...
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Education, Volumen21

1900
...think the balance of advantage will be found to lie with Euclid. I. DEFINITION OF AN ANGLE. Euclid: "A plane rectilineal angle is the inclination of two...together, but are not in the same straight line." Modern writers define this concept variously. Davies : " An angle is the amount of divergence of two...
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The pupil teachers' handy mathematical and grammatical question-book, with key

Pupil teachers - 1880 - 1516 páginas
...respectively equal ?' Answer him. 5.Explain clearly why the following definition is insufficient: @' A plane rectilineal angle is the inclination of two straight lines to one another.' Define obtuse angle, isosceles triangle, rhomboid. 6 ・ De6neap @ anesuper 丘 c @ es , ac 卜 d...
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