 | Robert Simson - 1806 - 546 sider
...angles ; b 27. 1. therefore AB is parallel b to CD. Wherefore, straight lines, &c. QED PROP. XXXI. PROB. TO draw a straight line through a given point parallel...BC the given straight line ; it is required to draw a straight line through the point A, parallel to the EAF straight line BC. "" In BC take any point... | |
 | John Playfair - 1806 - 320 sider
...therefore b 27. 1. AB is parallel to CD. Wherefore, straight lines, &c. QED % • PROP. XXXI. PROB. TO draw a straight line through a given point parallel...BC the given straight line ; it is required to draw a straight line through the J] point A, parallel to the straight line BC. In BC take any point £ jj... | |
 | Euclides - 1814 - 560 sider
...Wherefore straight lines, &c. Q, ED therefore also AGK is equal to GKD; and they are alterPROP. XXXI. PROB. To draw a straight line through a given point parallel to a given straight line. Let Abe the given point, and BC the given straight line; it is required to draw a straight ^ A r. line... | |
 | Euclides - 1816 - 588 sider
...nate angles; therefore AB is parallel b to CD. Wherefore straight lines, &c. QED PROP. XXXI. PROS. To draw a straight line through a given point parallel...BC the given straight line; it is required to draw a straight l/ A ' IT line through the point A, parallei to the straight line BC. In BC take any point... | |
 | Daniel Cresswell - 1817 - 454 sider
...another, the figure is a parallelogram. . COR. 1. Hence may be deduced a practical method of drawing a straight line, through a given point, parallel to a given straight line. COR. 2. A rhombus is a parallelogram. PROP. XXIX. (xvH.) • i Every parallelogram which has one angle... | |
 | John Playfair - 1819 - 350 sider
...AB ~ \ D is parallel (27.1.) to CD. Where- \ fore straight lines, &c. QED PROP. XXXI. PROB. To druw a straight line through a given point parallel to...given point, and BC the given straight line ; it is ret quired to draw a straight line . through the point A, parallel t« "^*" - — ' — the straight... | |
 | John Playfair - 1819 - 354 sider
...•*' isparalief(27.1.)toCD. Where- X fore straight lines, &c. Q, ED PROP. XXXI. PROB. To draw a^raight line through a given point parallel to a given " straight...given point, and BC the given straight line ; it is re* Quired to tJraw a straight line » through the point A, parallel t$ ** . .— — the straight... | |
 | Daniel Cresswell - 1819 - 446 sider
...DC ; *'. e. the figure ABCD is a O. 27. COR. 1. Hence may be deduced a practical method of drawing a straight line, through a given point, parallel to a given straight line. For, let it be required to draw through the given point B, a straight line parallel to AD : From any... | |
 | Miles Bland - 1819 - 444 sider
...PROBLEMS. . •' <.' ''/:•' . SECT. I. (1.) FROM a given point, to draw the shortest line possible to a given straight line. Let A be the given point, and BD the given line. From A let fall the perpendicular AC; this will be less than any other line AD drawn... | |
 | Miles Bland - 1819 - 442 sider
...triangle. GEOMETRICAL PROBLEMS. SECT. I. (1.) FROM a given point, to draw the shortest line possible to a given straight line. Let A be the given point, and BD the given line. From A let fall the perpendicular AC; this will be less than any other line AD drawn... | |
| |
To draw a straight line through a given point parallel to a given straight line. Let A be the given point, and BC the given straight line... 
