 | Peter Nicholson - 1809 - 426 σελίδες
...the points ed, draw the lines B r, B d, and they will trisect the angle as was required. PROBLEM VII. Through a given point C, to draw a line 'parallel to a given line A B. 1. Take any point d, in AB, upon d and C, with the distance C d, describe two arcs... | |
 | John Dougall - 1810 - 554 σελίδες
...line will form with the given line DE, the angle at D equal to the given angle at A. PROP. XXVII. fig. 7. Through a given point, C, to draw a line parallel to a given right line, AB. From any convenient point in AB, as B, with the radius BC, describe the arch... | |
 | Edward Augustus Kendall - 1811 - 458 σελίδες
...describe the arcs ciuung'pne another in C ; draw the lines CA and CB, add the thing is done. Ex.6. Through a given point C to draw a line parallel to a given line, AD, Fig. 6. Take any point p, in AD : upon /- and C, with the distance p C, describe two... | |
 | Edward Augustus Kendall - 1811 - 516 σελίδες
...describe the arcs cutting one another in C ; draw the lines CA and CB, and the thing is done. Ex. 6. Through a given point C to draw a. line parallel to a given line, AD, Fig. 6. Take any point p, in AD : upon p and C, with the distance p C, describe two... | |
 | George Adams - 1813 - 648 σελίδες
...at A. 4. Through A and B • draw the line AB, and it will be the perpendicular required. PROBLEM 4. Through a given point C, to draw a line parallel to a given straight line AB, Jig. 1O, plate 4. Another method. \. From A, Jig. 9, plate 4, or any other... | |
 | Peter Fleming - 1815 - 250 σελίδες
...Draw С D, and its intersection with AB, divides the straight line into two equal parts. PROBLEM VIII. Through a given point C, to draw a line parallel to a given straight line A B. FROM any point D, as a centre, in the line AB, describe the arc С E, and... | |
 | John Dougall - 1815 - 514 σελίδες
...DE, form the angls FDE equal to the given angfc JT.2J ' CAB, as was required. :u Prob. VI. Fig. 22. Through a given point C to draw a line parallel to a given line A B. In AB choose any point as D : with _ one foot of the compasses '\y CD, draw the arch... | |
 | John Imison - 1822 - 488 σελίδες
...Take 60° from the line of chords in the compasses ; and setting one at the angular point B, Prob. 4, with that opening as a radius, describe an arch, as ab : then take the number of degrees you intend the angle to be of, and set it from b to a, then is a B b, the angle required. v Pro b.... | |
 | Edward Riddle - 1824 - 572 σελίδες
...B m equal to D s and D r, and nm equal to sr, therefore the angles В and D are equal. PROBLEM VI. Through a given point C, to draw a line parallel to a given line A B. From С to А В draw any line С D ; then through С draw the line С E, making the... | |
 | Peter Nicholson - 1825 - 1046 σελίδες
...Through the points ed, draw the lines Ее, Ed, and they will trisect the angles as was required. Prol. 7 -—Through a given point C, to draw a line parallel to a given line AB. 1. Take any point d, in AB, upon d and C, with 'the distance Cd, describe two aros fC,... | |
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Prob. 7. Through a given point C, to draw a line parallel to a given line AB. 
