 To draw a straight line perpendicular to a given straight line of an unlimited length, from a given point without it. Let AB be the given straight line, which may be produced to any length both ways, and let c be a point without it.  The new practical gager - Page 39by Matthew Iley - 1820Full view - About this book
 | Euclid, Henry Sinclair Hall, Frederick Haller Stevens - Euclid's Elements - 1900 - 330 pages
...PROBLEM. To draw a straight line perpendicular to a given straight line, of unlimited length, from a given point without it. Let AB be the given straight line of unlimited length, and let C be the given point without it. It is required to draw from C a straight... | |
 | Thomas Franklin Holgate - Geometry - 1901 - 462 pages
...PARALLELOGRAMS PROPOSITION XVII 71. From a given point in a straight line to draw a perpendicular to the line. Let AB be the given straight line and C the given point in it. It is required to draw from C a straight line which is perpendicular to AB. Construction. From... | |
 | George Albert Wentworth - Geometry - 1904 - 496 pages
...the arc HG at O. Draw CO, and Z HCO is the required angle. Why ? QEF PROPOSITION XXVII. PROBLEM. 306. To draw a straight line parallel to a given straight line through a given external point. E - — jf- -F JB DI Draw ECD, making any convenient Z EDB. At the point C construct... | |
 | Euclid - Mathematics, Greek - 1908 - 550 pages
...PROPOSITION n. To draw a straight line at right angles to a given straight line from a given point on it. Let AB be the given straight line, and C the given point on it. Thus it is required to draw from the point C a straight line at right angles to the straight... | |
 | D. Ponton - Mathematics - 1927 - 168 pages
...straight line at right angles to a given straight line, from a given point in the same. A 0 C t Given. Let AB be the given straight line, and C the given point in it. Required. To draw a straight line from C at L to AB. Construction. In AC take any point, 7).... | |
 | Science - 1881 - 572 pages
...generally employed in works on geometry" — it runs thus: "It is impossible to draw more than one straight line parallel to a given straight line through a given point outside it." But, observe, that it is not this equivalent which Lobatchewsky is supposed to use in... | |
 | Proclus - Mathematics - 1992 - 432 pages
...sake of practice we must consider all cases, and we shall choose the more difficult one to expound. Let AB be the given straight line and C the given point, lying on the line between its two extremities; and let there be constructed, as in the proposition... | |
 | V Krishnamurthy, C R Pranesachar - Mathematics - 2007 - 708 pages
...SA = SB = SC or the circle with centre S and radius SA passes through A, B and C. Q Construction 7 To draw a straight line parallel to a given straight line through a given point. D Fig. 71 Fig. 72 Let AB be the given straight line and C the given point. With C as centre draw an... | |
 | Euclid - 454 pages
...PROPOSITION 11. To draw a straight line at right angles to a given straight line from a given point on it. Let AB be the given straight line, and C the given point on it. 5 Thus it is required to draw from the point C a straight line at right angles to the straight... | |
 | 130 pages
...5. To draw a straight line at right angles to a given straight line from a given point in it. f A\ Let AB be the given straight line and C the given point in it; to draw a straight line from C at right angles to AB. * It should be noticed that L AEC = L... | |
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