 | Eli Todd Tappan - Geometry, Modern - 1864 - 288 pages
...in the points D and E. The line may be produced, if necessary, to be cut by the arc in two places. With D and E as centers, and with a radius greater than the half of DE, describe ., arcs cutting each other in F. The straight line joining A and F is perpendicular... | |
 | Eli Todd Tappan - Geometry - 1868 - 432 pages
...in the points D and E. The line may be produced, if necessary, to be cut by the arc in two places. With D and E as centers, and with a radius greater than the half of DE, describe arcs cutting each other in F. The ^ straight line joining A and F is perpendicular... | |
 | Eli Todd Tappan - Geometry - 1873 - 288 pages
...in the points D and E. The line may be produced, if necessary, to be cut by the arc in two places. With D and E as centers, and with a radius greater than the half of DE, describe arcs cutting each other in F. The straight line joining A and F is perpendicular... | |
 | United States. Infantry and Cavalry School, Fort Leavenworth. Dept. of Engineering - 1897 - 300 pages
...will XA he perpendicular to BA. 10.— To erect a perpendicular to a line from a point without. Let X (Fig. 5) be the point without, then, with X as a...Join X and Y. Then will XY be perpendicular to BC. 2O. To bisect a given angle. Let ABC (Fig. 6.) be the Figure 1. Figure 2. Figure 6. о _c Figure 7./Дч... | |
 | Alan Sanders - Geometry, Modern - 1901 - 260 pages
...line, and C the given point on the line. Required to erect a perpendicular to AB at C. Lay off CD = CE. With D and E as centers, and with a radius greater than DC (one half of DE), describe two arcs intersecting at F. Join F and C. ' FC is the required perpendicular.... | |
 | Alan Sanders - Geometry - 1903 - 396 pages
...line, and C the given point on the line. Required to erect a perpendicular to AB at C. Lay off Co = CE. With D and E as centers, and with a radius greater than DC (one half of DE), describe two arcs intersecting at F. Join F and C. FC is the required perpendicular.... | |
 | Ernst Rudolph Breslich - Mathematics - 1909 - 402 pages
...parts. Let /ABC, Fig. 77, be the given angle. With B as center and any radius draw an arc cutting BA and BC at D and E. With D and E as centers and a convenient radius, draw arcs meeting at F. Draw BF. BF divides /.ABC into two equal parts. 128. Bisecting... | |
 | William Herschel Bruce, Claude Carr Cody (Jr.) - Geometry, Modern - 1910 - 286 pages
...Construction. With A as a center and with any radius AD, describe an arc cutting the sides of the given angle at D and E. With D and E as centers and with equal radii, greater than \ DE, describe arcs cutting each other at X. Draw AX. AX is the bisector... | |
 | United States. Bureau of Naval Personnel - Metal-work - 1951 - 622 pages
...Angle ABC (see figure 234) is given. With B as a center, draw an arc cutting the sides of the angle at D and E. With D and E as centers, and with a radius greater than half of arc DE, draw arcs intersecting at F. A line drawn from B through the point F bisects the angle... | |
 | Haym Kruglak, John Moore, Ramon Mata-Toledo - Mathematics - 1998 - 508 pages
...BISECTING AN ANGLE (Fig. 11-21) From the vertex B of the given angle ABC draw an arc intersecting the sides at D and E. With D and E as centers, and with equal radii, draw two arcs intersecting at F. The line through F and B bisects the angle. 11.23 ERECTING... | |
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With the given point as a cen- ^ ter, and a radius long enough, describe an arc cutting the given line BC in the points D and E. The line may be produced, if necessary, to be cut by the arc in two places. With D and E as centers, and with a radius greater... 