 | Robert Simson - Trigonometry - 1806 - 546 pages
...straight line AB is divided into two equal parts in the point D. 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. See N. Let AB be a given straight line, and C a point given in it; it is required to draw a straight... | |
 | John Playfair - Euclid's Elements - 1806 - 320 pages
...two equal parts in fthe point D. Which was to be done, a 3.1. bl.l. c 8. 1. d 7. clef. PROP. XL 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; it is required to draw a straight line... | |
 | John Mason Good - 1813 - 722 pages
...To bisect a given finite straight line, that is, to divide it into two equal part«. Prop. XI. Prob. To draw a straight line at right angles to a given straight line, from a given point in the same. Prop. XII. Prob. To draw a straight line perpendicular to a given straight line of an unlimited length,... | |
 | Euclides - 1816 - 588 pages
...divided into two equal parts in V the point D. Which was to be done. ' SecN. •3. I. "ll 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 ; it U required to draw a straight line... | |
 | John Playfair - 1819 - 354 pages
...straight line AB is divided into two equal parts in llje point D. Which was to be done. A PROP. XI. PROB. To draw a straight line at right angles to a given straight line, from a given point in that line. Lei AB be a given straight line, and C a point given in it ; it is required to draw a straight... | |
 | John Playfair - Circle-squaring - 1819 - 350 pages
...line AB is divided into two equal parts in 1he point D. Which was to be done. PROP. XL PROB. To dram 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... | |
 | 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... | |
 | 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... | |
 | 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... | |
 | 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... | |
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To draw a straight line at right angles to a given straight line, from a given point in the same. 
