 | Robert Simson - 1775 - 520 σελίδες
..."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 - 550 σελίδες
...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... | |
 | John Playfair - 1795 - 444 σελίδες
...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 - 351 σελίδες
...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
...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... | |
 | John Playfair - 1806 - 320 σελίδες
...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...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 angles ABC,... | |
 | John Mason Good - 1813 - 722 σελίδες
...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 - 528 σελίδες
...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...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 angles ABC,... | |
 | John Playfair - 1819 - 317 σελίδες
...Wherefore, .when a straight line, &c. Q, ED PROP. XIV. THEOR. If, at a point in a straight line, too other straight lines, upon the -opposite sides of...equal to two right angles, these two straight lines are in one and the same straight line. At the point B in the straight line AB, let the two straight... | |
 | John Mason Good - 1819 - 740 σελίδες
...Prop. XIV. Theor. If, at a point in a straight bit, two other straight lines, upon the opposite ¿act of it, make the adjacent angles together equal to two right angles, these two straight linei ¿all be in one and ihe .same straight line. I'rop. XV. Theor. If two straight lines cut one... | |
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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. 
