| Joseph Fenn - Mathematics - 1769 - 536 pages
...All other four fided figures befides thefe, are called Trapefiumi. F'g. 26. XXXV. Parallel ßra!gbt **Lines, are fuch as are in the fame plane, and which...being produced ever fo far both ways, do not meet.** Fig. 27. // it for tbis reafon that every quadrilateral ßgure ivèofe appojïte Jtdei are parallel,... | |
| Joseph Fenn - Mathematics - 1769 - 524 pages
...thefe, are called Trapejiumt. Fig. 26". XXXV. Parallel Jlralgbt Lines, are fuch as are in the Tame **plane, and which being produced ever fo far both ways, do not meet.** Fig. 27. // // for tbit reafm that every quadrilateral figure wbofe appojtte Jidei are parallel, it... | |
| Robert Simson - Trigonometry - 1775 - 534 pages
...Book I. All other four fided figures befides thefe, are called Trapeziums. XXXV. Parallel ftraight **lines, are fuch as are in the fame plane, and which,...may be drawn from any one point to any other point.** That a terminated (traight line may be produced to any length in a ftraight line. III. And that a circle... | |
| Euclid - 1781 - 552 pages
...XXXIV. Book I. All other four fided figures befides thefe, are called Trapeziums. XXXV. Parallel fbaight **lines, are fuch as are in the fame plane, and which,...not meet. POSTULATES. I. LET it be granted that a** ltraight line may be drawn from any one point to any other point. 'IJiaJt a terminated ftraight line... | |
| Euclid, James Williamson - Euclid's Elements - 1781 - 324 pages
...towards both, lides meet each other on neither, are PARALLELS'. POSTULATES. i. Let it be taken for **granted, that a ftraight line may be drawn from any one point to any other point.** 2. And that a finite ftraight line may be produced in a ftraight line continually. 3. Alfo that a circle... | |
| Euclid - Euclid's Elements - 1789 - 296 pages
...hypotenufe. B 2 i. An 19. An obtufe-angled triangle, is that which has one ebtufe angle. 20. Parallel right **lines are fuch as are in the fame plane, and which, being produced ever fo far both ways,** will never meet. 21. Every plane figure, bounded by four right lines, is called a quadrangle, or quadrilateral.... | |
| Alexander Ingram - Trigonometry - 1799 - 374 pages
...XXXIV. All other four-fided figures, befides thefe, are called Trapeziums. XXXV. Parallel ftraight **lines, are fuch as are in , the fame plane, and which,...produced ever fo far both ways, do not »... — meet;,** PO. POSTULATES. I. LET it be granted that a ftraight line may be drawn from any one point to any other... | |
| John Bonnycastle - Euclid's Elements - 1803 - 470 pages
...-1§. An obttrfe-angled triangle, is that which has one obtufe angle. 20. Parallel right lines axe **fuch as are in the fame plane, and which, being produced ever fo far both ways,** will never meet. fcl. Every plane figure, bounded by lour aright lanes, is called a quadrangle, or... | |
| John Playfair, Euclid - Circle-squaring - 1804 - 468 pages
...XXIX.. All other four fided figures befides thefe, are called Trapeziums. XXX. XXX. ' Parallel ftraight **lines, are fuch as are in the fame plane, and which,...may be drawn from any one point to any other point.** IIThat a terminated ftraight line may be produced to any length in a ilraight line. III. And that a... | |
| Robert Simson - Trigonometry - 1804 - 530 pages
...Book I. All other four fided figures befides thefe, are called Trapeziums. XXXV. Parallel ftraight **lines are fuch as are in the fame plane, and which,...ever fo far both ways, do not meet. POSTULATES. I.** ET it be granted that a ftraight line may be drawn from any one point to any other point. II. That... | |
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