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. Euclid, books i. & ii., with notes, examples, and explanations, by a late ... - Page 32by Euclides - 1879Full view - About this book
| Robert Simson - Trigonometry - 1762 - 488 pages
...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 - Trigonometry - 1775 - 534 pages
..."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 - 552 pages
...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 - Euclid's Elements - 1795 - 462 pages
...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 - Trigonometry - 1799 - 374 pages
...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 - Trigonometry - 1804 - 530 pages
...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 - Euclid's Elements - 1806 - 320 pages
...line, &c. C£. ED PROP. XIV. THEOR. IF, at a point in a straight line, two other straight lines, upon **the opposite sides of it, make the adjacent angles...shall be in 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,... | |
| Robert Simson - Trigonometry - 1806 - 546 pages
...line, fcc. QED PROP. XIV. THEOR. IF, at a point in a straight line, two other straight lines, upon **the opposite sides of it, make the adjacent angles...shall be in 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,... | |
| Euclides - 1814 - 560 pages
...straight line, &c. QED PROP. XIV. THEOR. IF, at a point in a straight line, two other straight lines, upon **the opposite sides of it, make the adjacent angles...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... | |
| Euclides - 1816 - 588 pages
...straight line, &c. QED PROP. XIV. THEOR. IF, at a point in a straight line, two other straight lines, upon **the opposite sides of it, make the adjacent angles...shall be in 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... | |
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