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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.
Elements of Geometry: Containing the Principal Propositions in the First Six ... - Página 247
por Euclid - 1789 - 272 páginas
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## The Acting Teacher's and Student's in Training Guide and Text Book for ...

Henry Major - 1873
...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, but are not in the same straight line. An angle is named from three or one letters, as ABC or B. X. When a straight line...
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## The Shrewsbury Trigonometry. A Step to the Study of a More Complete Treatise ...

John Clement Primroose ALDOUS - 1874 - 71 páginas
...ANGLES AND THE MEASUREMENT OF ANGLES. 1 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. This is one of Euclid's Definitions, which describes the nature of the angles treated...
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## Pure mathematics, Volumen1

Edward Atkins - 1874
...but are not in the same direction. 9. 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. Thus, the angle contained by the straight lines AB and EC is expressed either by...
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## The Elements of Euclid, containing the first six books, with a selection of ...

Euclides - 1874
...are not in the same straight line. A 9. 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, either of them is expressed by three...
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## A School Euclid. Being Books I.&II. of Euclid's Elements. With Notes ...

Euclides - 1874
...but are not in the same direction. 9. 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. 10. When a straight line standing on another straight line, makes the adjacent...
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## Elements of geometry, based on Euclid, books i-iii

Edward Atkins - 1876 - 119 páginas
...but are not in the same direction. 9. 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. NOTE. — When several angles are at one point B, any one of them 13 expressed...
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## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1876 - 403 páginas
...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, but are not in the same btraight line. D NB If there be only one angle at a point, it may be expressed by a letter placed...
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## Euclid, book i., propositions i. to xxvi., with exercises and alternative ...

Euclides - 1877
...them lies wholly in that superficies. 8. 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. An angle is generally expressed by three letters, the middle one of which must...
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## Elements of geometry, based on Euclid, book i

Edward Atkins - 1877
...but are not in the same direction. 9. 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. NOTE. — When several angles are at one point B, any one of them ia expressed...
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## Natural Philosophy for Beginners: With Numerous Examples, Parte1

Isaac Todhunter - 1877 - 440 páginas
...to the reader, but we will draw attention to them. 12. An angle is the inclination of two straight lines to one another which meet together, but are not in the same straight line. Thus the two straight lines A 0, BO, which meet at O form an angle there. The angle...
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