 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...line AB is divided into two equal parts in the point D. Which was to be done. Proposition XI. Problem. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and С a point given in it ; it is required to draw a straight line from the... | |
 | Robert Simson - Trigonometry - 1827 - 546 pages
...line AB is divided into two equal parts in the point D. Which was to be done. PROP. XI. PROB. To drain a straight line at right angles to a given straight line, from a given point in the same. Let AB be a given straight line, and C a point given See N. in it; it is required to draw a straight line from... | |
 | Peter Nicholson - Masonry - 1828 - 276 pages
...required. PROBLEM III. From a given point out of a straight line to let fall a perpendicular. Fig. 3. Let AB be the given straight line, and c the given point ; it is required to draw a straight line from c perpendicular to AB. From c, as a centre, with any... | |
 | John Playfair - Geometry - 1829 - 210 pages
...base at right angles. For the triangles ACD, BCD are equal in all respects. PROPOSITION XI. PROBLEM. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and C a point given in AB; it is required to draw a straight line from C at... | |
 | Euclid - 1835 - 540 pages
...is divided into two equal parts in the point D. Which was to be done. c4, 1. AJ) B PROP. XI. PROB. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and C a point given in it; See N. it is required to draw a straight line from... | |
 | John Playfair - Geometry - 1836 - 148 pages
...straight line AB is divided into two equal parts in the point C. Which was to be done. PROP. IX. PROB. To draw a straight line at right angles to a given...be the given straight line, and C the given point in it ; it is required to draw a straight line from C, at right angles to AB. Take D E any point D... | |
 | Euclid, James Thomson - Geometry - 1837 - 410 pages
...the base DB, and the line AB is bisected in the point I ) : which was to be done. PROP. XI. PROB.§ To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and C a point given in it ; and E as centres with any radius greater than the... | |
 | Andrew Bell - Euclid's Elements - 1837 - 290 pages
...4), and the straight line AB is divided into two equal parts in the point D. PROPOSITION XI. PROBLEM. To draw a straight line at right angles to a given...straight line, from a given point in the same. Let AB be a given straight line, and C a point given in it ; it is required to draw a straight line from the... | |
 | Charles Reiner - Geometry - 1837 - 246 pages
...given finite straight line. 4. To draw a straight line at right angles to a given straight line. 5. To draw a straight line at right angles to a given straight line from a given point, in the same. 6. To draw a straight line at right angles to a straight line from a given point without it. 7. To... | |
 | John Playfair - Euclid's Elements - 1837 - 332 pages
...1.) DB, and the straight line AB is divided into two equal parts in the point D. 18 PROP. XL PROB. To draw a straight line at right angles to a given straight line, from a given point in that line. Let AB be a given straight line, and C a point given in it ; it is required to draw a straight... | |
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To draw a straight line at right angles to a given straight line, from a given point in the same. 
