| John Playfair - Mathematics - 1806 - 320 pages
...Wherefore, straight lines, &c. QED % • PROP. XXXI. PROB. 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 ; it is required to draw a straight line through the J] point A, parallel... | |
| Robert Simson - Trigonometry - 1806 - 546 pages
...Wherefore, straight lines, &c. QED PROP. XXXI. PROB. 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 ; it is required to draw a straight line through the point A, parallel to... | |
| Sir John Leslie - Geometry, Analytic - 1809 - 542 pages
...properties of parallel lines are also the criteria for distinguishing parallels. PROP. XXVI. PROS. **Through a given point, to draw a straight line parallel to a given straight line.** To draw, through the point C,a straight line parallel to AB. . In AB take any point D, join CD, and... | |
| Euclides - 1816 - 588 pages
...CD. Wherefore straight lines, &c. QED PROP. XXXI. PROS. 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; it is required to draw a straight l/ A ' IT line through the point A, parallei... | |
| John Playfair - Circle-squaring - 1819 - 350 pages
...Where- \ fore straight lines, &c. QED PROP. XXXI. PROB. To druw 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 ; it is ret quired to draw a straight line . through the point A, parallel... | |
| Miles Bland - Euclid's Elements - 1819 - 444 pages
...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 - Euclid's Elements - 1819 - 442 pages
...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... | |
| Charles Hutton - Mathematics - 1822 - 680 pages
...by drawing the parallel through Q' instead, of &", and using the distance P"Q" instead ' PROBLEM VI. **Through a given point to draw a straight line parallel to a given straight line. Let** AB be the ground line, pqf and p"$" the horizontal and vertical projections of the given line, and... | |
| Peter Nicholson - Mathematics - 1825 - 1046 pages
...Wherefore straight lines, &c. QED Proposition XXXI. Problem. To draw a straight line through a given point **parallel to a given straight line. Let A be the given point, and** BC E л г the given straight line ; it is required .to draw a straight line through the ./^ point... | |
| Robert Simson - Trigonometry - 1827 - 546 pages
...Wherefore, straight lines, &c. QED PROP. XXXI. PROB. 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 ; it is required to draw a straight line through the point A, parallel to... | |
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