 | Peter Fleming - 1815 - 250 pàgines
...and E С each equal to EF, and join AD, D С, and B С, which will be a complete square. PROBLEM X. To divide a straight line AB, into any number of equal parts. FROM the extremity A of the given line AB, draw А С at any acute angle, and BD parallel to A C. —... | |
 | Emma Willard - 1822 - 102 pàgines
...the arcs and erect the perpendicular EC, as in thelast problem. Fig. 3. PROBLEM IV.— (Fig. 3.)— To divide a straight line (AB,} into any number of equal parts. 1 . Take any distance in your compasses and draw arcs of circles from A and B. 2. Draw two lines, AC,... | |
 | Alexander Ingram - 1830 - 458 pàgines
...H, in AB, with the radius HC, describe the arc CFE, cutting the former in E, and draw CE. PROB. VI. To divide a straight line AB into any number of equal parts, suppose five. Through A and B draw any parallels AC and BD, on different sides of AB. Take any convenient... | |
 | Commissioners of National Education in Ireland - 1837 - 290 pàgines
...extent F, taken in the cojn- A. 3. £ -B passes, describe *" r two arcs *, r ; then draw a line CD «? touching these arcs at r and *, and it will be at...SV, and VT equal to the parts taken on the line AK ; then join AT, EV, GS, HI, and KB, which will divide the line AB into PROBLEM V. From a given point... | |
 | Alexander Ingram - 1851 - 202 pàgines
...H, in AB, with the radius HC, describe the arc CFE, cutting the former in E, and draw CE. PROB. VI. To divide a straight line AB into any number of equal parts, suppose five. Through A and B draw any paral- . — lels AC and BD, on different sides of AB. Take... | |
 | David Bain - 1879 - 36 pàgines
...still same radius describe arc A E. 3. Join A E. The angle EAB equals 120°. Fig. 6. Problem 12. — To divide a straight line, AB, into any number of equal parts ; say six equal parts. First Method. — I. Draw the line B С, making any angle, not too great, with... | |
 | John S. Rooke - 1902 - 96 pàgines
...producing it to intersect the last arc in e. A line from a to e will be the perpendicular. Fig. 12. To divide a straight line ab into any number of equal parts, say four. Draw ac at any angle with ab, draw bd parallel to a c. With any distance as a unit, lay off... | |
 | School of Railway Signaling (Utica, N.Y.) - 1910 - 446 pàgines
...(Art. 110.) With A and Ftt. toe B as centers and a radius equal to EF, describe arcs cutting these 114. To divide a straight line AB into any number of equal parts, for example six. Fig. 107. Draw the line AC at any angle fl ^~^ s ' ' *' 3 to AB. From A on AC set... | |
 | A. Herring-Shaw - 1910 - 288 pàgines
...and then prick through the paper at the required degree on the edge of the protractor. Problem 6. — To divide a straight line AB into any number of equal parts : eg, divide AB into 5 equal parts. Draw AC at a convenient angle to AB and of suitable length. Mark... | |
 | Ludwig Frank - 1917 - 224 pàgines
...cut C'-B', at C'. Draw A'-C' completing the required Z . 30. Fig. 78. From A required divide A Fl& 77 To divide a straight line, AB, into any number of equal parts (say 5). Draw A-4 at any Z with AB. Draw Bl' at the same Z, Art. 29. and B set off any distance upon... | |
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To divide a straight line AB into any number of equal parts. 