 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.  Elements of Geometry and Conic Sections - الصفحة 15بواسطة Elias Loomis - 1849 - عدد الصفحات: 226عرض كامل - لمحة عن هذا الكتاب
 | Robert Simson - 1762 - عدد الصفحات: 488
...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... | |
 | Robert Simson - 1775 - عدد الصفحات: 534
..."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... | |
 | Euclid - 1781 - عدد الصفحات: 552
...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... | |
 | Euclid, John Playfair - 1795 - عدد الصفحات: 462
...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... | |
 | Alexander Ingram - 1799 - عدد الصفحات: 374
...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... | |
 | Robert Simson - 1804 - عدد الصفحات: 530
...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... | |
 | Robert Simson - 1806 - عدد الصفحات: 546
...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...equal to two right angles, these two straight lines shall be in one and the same straight line. At the point B, in the straight line AB, let the two straight... | |
 | John Playfair - 1806 - عدد الصفحات: 320
...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...equal to two right angles, these two straight lines shall be in one and the same straight line. At the point B, in the straight line AB, let the two straight... | |
 | John Mason Good - 1813 - عدد الصفحات: 714
...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... | |
 | Euclides - 1816 - عدد الصفحات: 588
...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...equal to tw*o right angles, these two straight lines shall be in one and the same straight line. • At the point B in the straight line AB, let the two... | |
| |
