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If, at a point in a straight line, two other straight lines, upon the opposite sides of it, make the adjacent angles together equal to two right angles, these two straight lines shall be in one and the same straight line.
The Elements of Geometry, Symbolically Arranged - Página 23
por Great Britain. Admiralty - 1846
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The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1762 - 488 páginas
...PROP. XIV. THE OR. IF at a point in a ftraight iine, two other ftraight lines, Qpon the oppofite fides of it, make the adjacent angles together equal to two right angles, thefe two ftraight lines fhall be in one and the fame ftraight line, At the point B in the ftraight...
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The Elements of Euclid, Viz: The Errors, by which Theon, Or Others, Have ...

Robert Simson - 1775 - 534 páginas
..."XIV. THEO R. IF, at a point in a ftraight line, two other ftraight lines, upon the oppofite fides of it, make the adjacent angles together equal to two right angles, thefe two ftraight lines fhall be in one and the fame ftraight line. ' ' At the point B in the ftraight...
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The First Six Books: Together with the Eleventh and Twelfth

Euclid - 1781 - 552 páginas
...XIV. T II EO R. IF, at a point in.a ftraight line, two other ftraight lines, upon the oppofite fides of it, make the adjacent angles together equal to two right angles, thefe two ftraight lines mall be in one and the fame ftraight line. At the point B in the ftraight...
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Elements of Geometry;: Containing the First Six Books of Euclid, with Two ...

Euclid, John Playfair - 1795 - 462 páginas
...P. XIV. THEO R. IF, at a point in a ftraight line, two other ftraight lines, upon the oppofite fides of it, make the adjacent angles together equal to two right angles, thefe two ftraight lines fhall be in one and the fame ftraight line. At the point B in the ftraight...
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The Elements of Euclid: Viz. the First Six Books, with the Eleventh and ...

Alexander Ingram - 1799 - 374 páginas
...FROP. XIV. THEOR. at a point in a ftraight line, two other ftraight lines, upon the oppoiite fides of it, make the adjacent angles together equal to two right angles, thefe two ftraight lines fliall be in one and the fame ftraight line. At the point B in the ftraight...
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The Elements of Euclid: Also the Book of Euclid's Data ...cor. viz. The ...

Robert Simson - 1804 - 530 páginas
...PROP. XIV. THEO R. IF at a point in a ftraight line, two other ftraight lines, upon the oppofite fides of it, make the adjacent angles together equal to two right angles, thefe two ftraight lines fhall be in one and the fame ftraight line. At the point B in the ftraight...
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Elements of Geometry: Containing the First Six Books of Euclid, with a ...

John Playfair - 1806 - 320 páginas
...together equal to two right angles. Wherefore, when a straight line, &c. C£. ED PROP. XIV. THEOR. IF, at a point in a straight line, two other straight...one and the same straight line. At the point B, in the straight line AB, let the two straight lines BC, BD, upon the opposite sides of AB, make the adjacent...
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The Elements of Euclid: The Errors, by which Theon, Or Others, Have Long Ago ...

Robert Simson - 1806 - 546 páginas
...are together equal to two right angles. Wherefore, when a straight line, fcc. QED PROP. XIV. THEOR. IF, at a point in a straight line, two other straight...one and the same straight line. At the point B, in the straight line AB, let the two straight lines BC, BD, upon the opposite sides of AB, make the adjacent...
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Pantologia. A new (cabinet) cyclopædia, by J.M. Good, O. Gregory ..., Volumen5

John Mason Good - 1813 - 714 páginas
...siile of it, are either two right angles, or are together rqual to two right angles. Prop. XIV. Tlieor. If, at a point in a straight line, two other straight lines, upon the opposite iidrs of it, make the adjacent angles together equal to t«-o right angles, these two straight lines...
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The Elements of Euclid; viz. the first six books, together with the eleventh ...

Euclides - 1814 - 560 páginas
...ABC are together equal to two right angles. Wherefore when a straight line, &c. QED PROP. XIV. THEOR. IF, at a point in a straight line, two other straight...angles, these two straight lines shall be in one and the samestraight line. At the point B in the straight line AB, let the two straight lines BC, BD upon the...
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