| Alpheus Crosby - Geometry - 1847 - 164 pages
...144. At a given point A in a line AB, to make an angle equal to a given angle D. From D as a centre, **with any radius, describe an arc cutting the sides of the angle in** E and F. From A as a centre, with the same radius, describe an arc GH. In this arc, take H at the same... | |
| William Minifie - Geometry, Descriptive - 1849 - 156 pages
...knowing this simple rule. PROBLEM 12. FIG. 4. To Trisect a Right Angle. 1st. From the angular point V **with any radius, describe an arc cutting the sides of the angle,** as in X and W. 2nd. With the same radius from the points X and W, cut the arc in Y and Z. 3rd. Draw... | |
| Richard Burchett - 1855
...line A c, and the angle is bisected. FIG. 63. To trisect a Right Angle A. From the angular point A, **with any radius, describe an arc cutting the sides of the angle in** a and b. From a and b, with the same radius, cut off the arcs с ала. d. • FIG. 64. To find the... | |
| 1871
...12). c DE (Figs. 13 and 14). — At A construct an angle «imilm- to the angle H ca — viz., j A i. **From B, with any radius, describe an arc cutting the sides of the angle in-.'.** From E, with the same radius, describe an arc, cutting ED in F. Measure the length from point c to... | |
| William Alexander Myers - Circle-squaring - 1873 - 164 pages
...knowing this simple rule. PROBLEM 12, FIGURE 4. To Trisect an Angle. 1st. From the angular point V, **with any radius, describe an arc cutting the sides of the angle,** as in X and W. 2nd. With the same radius, from the points X and W, cut the arc in Fand Z. 3rd. Draw... | |
| WILLIAM ALEXANDER MYERS - 1874
...knowing this simple rule. PROBLEM 12, FIGURE 4. To Trisect an Angle. 1st. From the angular point F, **with any radius, describe an arc cutting the sides of the angle,** as in JTand W. 2nd. With the same radius, from the points X and TF, cut the arc in Fand Z. 3rd. Draw... | |
| Technical educator - 1877
...of the triangle o. To construct on the given line, DE, an angle similar to tlte angle ABC (Fig. 12). **From B, with any radius, describe an arc cutting the sides of the angle in c d. From** £, with the same radios, describe an arc, cutting : D in F. Measure the length from point c to d.... | |
| Technical educator - 1880
...any radius, describe the quadrant D E. From D, with the radius DB, describe an arc cutting ED in F. **From E, with the same radius, describe an arc cutting ED in** o. Draw lines BF and B o, which will trisect right angle. THE MEASUREMENT OF ANOLES (Fig. 31). Angles... | |
| John Courtney - Boilers - 1880 - 108 pages
...That is, to divide it in two equal angles. On the point of the \ angle, A, Fig. 32, as a centre, \ **with any radius, describe an arc \ cutting the sides of the angle** at D F Fig 32. ,' . and E, and on D and E as centres, / \ describe two arcs cutting each other •*... | |
| John Courtney (boilermaker.) - Boilers - 1880 - 108 pages
...That is, to divide it in two equal angles. On the point of the \ angle, A, Fig. 32, as a centre, \ **with any radius, describe an arc \ cutting the sides of the angle** at D and E, and on D and E as centres, describe two arcs cutting each other \0 F Fig 32. •«^ C at... | |
| |