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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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A course of geometrical drawing

William Schofield Binns - 1861
...s (8) OUique or inclined lines are straight lines which are neither horizontal nor vertical, as (9) A plane rectilineal angle is the inclination of two straight lines to one another, meeting or cutting each other in a point, as c (10) " When a straight line standing on another straight...
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The Projection and Calculation of the Sphere for Young Sea Officers Being a ...

S. M. Saxby - 1861 - 112 páginas
...same direction." And (Book I. def. 9), " A plane rectilineal angle is the inclination of two right (or straight) lines to one another, which meet together, but are not in the same right line ;" so that, in the following figure the right Fig. 11. line AB meets the right line AC at...
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Euclid's Elements of geometry, books i. ii. iii. iv

Euclides - 1862 - 140 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. 10. When a straight line standing on another straight line, makes the adjacent angles equal to one...
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The school Euclid: comprising the first four books, by A.K. Isbister

Euclides - 1862
...plane, which meet together, but are not in the same direction.' IX. A plane rectilineal angle is A the 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...
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Elementary Trigonometry: With a Collection of Examples

Thomas Percy Hudson - 1862 - 184 páginas
...astronomer. 2. Extension of the definition of an angle. Euclid defines a plane rectilineal angle to be the inclination of two straight lines to one another,...meet together but are not in the same straight line. He does not in his definition take into account the direction in which this inclination is supposed...
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The elements of plane geometry; or, The first six books of Euclid, ed. by W ...

Euclides - 1863
...of two lines to one another in a plane, which meet together, but are not in the same direction. IX. A plane rectilineal angle is the inclination of two...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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Euclid's plane geometry, practically applied; book i, with explanatory notes ...

Euclides - 1863
...that point being the vertex. 9. A plane rectilineal angle (reclus, straight, and linen, a thread), is the inclination of two straight lines to one another,...together, but are not in the same straight line., The magnitude of the angle is altigeth'er independent of the length of the lines ,<- angle . B is,...
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The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864 - 448 páginas
...of two lines to each other in a plane, which meet together, but are not in the same direction. IX. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. I) NB If there be only one angle at a point, it may be expressed by a letter placed at that point,...
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The College Euclid: Comprising the First Six and the Parts of the Eleventh ...

Euclides - 1865 - 402 páginas
...of two lines to one another in a. plane, which meet together, but are not in the same direction. IX. A plane rectilineal angle is the inclination of two...meet together, but are not in the same straight line. An acute angle is that which is less than a right _ angle. XIII. A term or boundary is the extremity...
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An English primer; compiled under the superintendence of E.C. Lowe

Edward Clarke Lowe - 1866
...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. 10. When a straight line standing on another straight line makes the adjacent angles equal to one another,...
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