| Cadmus Marcellus Wilcox - Rifle practice - 1859 - 308 pages
...by its height. The surface of a rectangle is equal to its base, multiplied by its height. PROBLEM. To divide a straight line into any number of equal parts : let AB be the given right A_ 0 M line, to be divided into three equal parts. From the point A, draw the... | |
| Hugo Reid - Mathematics - 1872 - 146 pages
...; AC and DF, opposite the equal angles B and E, are the consequents of the ratios. Problem 42. 174. To divide a straight line into any number of equal parts. Let AB be the line, to be divided into five equal parts. FIG. 45 Through A and B, draw AC and BD parallel... | |
| Evan Wilhelm Evans - Geometry - 1884 - 170 pages
...radii. 6. Prove that the area of a circle equals the square of its radius multiplied by 3.14159. 7. To divide a straight line into any number of equal parts. Let AB be the given straight line, which it is required to divide into a certain number of equal parts;... | |
| Geography - 1885 - 150 pages
...carefully once for halves, twice for fourths, etc, and then measure and mark these divisions upon the line. 2. To divide a straight line into any number of equal parts. Suppose А В to be the line, and that it is to be divided into five equal parts. From either end draw... | |
| Thomas Aloysius O'Donahue - Mine surveying - 1896 - 184 pages
...cutting AB in D and E. Bisect DE in F and join CF. Then CF will be the perpendicular required. VII. To divide a straight line into any number of equal parts. Let AB (Fig. 54) be the given line. Suppose it is to be divided into four parts. GEOMETRY B draw B3 parallel... | |
| Henry W. Keigwin - Geometry - 1897 - 254 pages
...trapezoid is equal to one half the sum of the bases. [Draw a diagonal. ] PROPOSITION G. PROBLEM. 129. To divide a straight line into any number of equal parts. Let AB be the given line. FIG. 57. It is required to divide AB into n equal parts. At A construct any angle... | |
| Philip Devereux Johnston - Mechanical drawing - 1903 - 220 pages
...centres and radius greater than BE draw the intersecting arcs at D. Draw AE with A and D as points. 5 To divide a straight line into any number of equal parts. Let AB be the given line. Draw AC at any convenient angle (acute) with AB and mark AC off into the required... | |
| Thomas Aloysius O'Donahue - Mine surveying - 1911 - 288 pages
...cutting AB in D and E. Bisect DE in F and join CF. Then C'F will be the perpendicular required. VII. To divide a straight line into any number of equal parts. Let AB (Fig. 54) be the given line. Suppose it is to be divided into four parts. B draw B3 parallel to... | |
| Ernest Pull - Machine-shop practice - 1922 - 208 pages
...arcs. A line drawn through the intersections at d and c divides ab into equal parts. -t* FIG. 26. — To divide a straight line into any number of equal parts. Let ab represent the line and the number of parts 7. Draw the line ac at an angle to ab. Mark off on ac... | |
| Edward Nathan Zern - Coal mines and mining - 1928 - 1298 pages
...parallel to the line AB. NOTE. — These methods are employed to lay off the coordinates of mine maps. 7. To Divide a Straight Line Into Any Number of Equal Parts. — Let AB, Fig. 9, be a straight line that is to be divided into, say, seven equal parts. Draw the parallel... | |
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