 | Samuel H. Winter - 1861 - 172 sider
...and a plane inclined at 50° and making an angle 65° with the vertical plane to contain the line. 2. The horizontal trace of a plane makes an angle of...supposition that the two traces really contain an angle of G5°, thence determine the angles this plane makes with both planes of projection. 3. Draw a line AB,... | |
 | Samuel H. Winter - 1872 - 226 sider
...parts. 28. In a spherical triangle ABC, given A = 47°, B = 52°, a = 56°: solve the triangle. 29. The horizontal trace of a plane makes an angle of 30° with a; y and the vertical trace an angle of 50°, find the point n. F in which a line parallel to xy, 2... | |
 | Henry Angel - 1873 - 192 sider
...60° to the horizontal plane and 1" apart: their horizontal traces to make angles of 40° with X Y. 4. The horizontal trace of a plane makes an angle of 30° with XY ; the vertical trace one of 50°. Determine the inclination of the plane and the true angle between... | |
 | Samuel H. Winter - 1880 - 200 sider
...plane inclined at 50° and making an angle of 65° with the vertical plane, to contain the line. 2. The horizontal trace of a plane makes an angle of...contain an angle of 65° ; thence determine the angles which this plane makes with both planes of projection. 3. Draw a line AB, one inch long and inclined... | |
 | Joseph Payne (of the Charterhouse.) - 1881 - 234 sider
...the plan of the solid and an elevation on a vertical plane parallel to a diagonal of the cube. 11. The horizontal trace of a plane makes an angle of 30° with xy, the vertical trace one of 50°. Determine the inclination of the plane, and the true angle between... | |
 | Queen's University of Belfast - 1875 - 418 sider
...I- >th solids. 8. Given a cube whose edges are 1£" long—construct the length of its diagonal. 9. The horizontal trace of a plane makes an angle of 30° with the axis, and a point is given by its projections, find the vertical trace of the plane that passes through... | |
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EXERCISES. 1. Draw a line inclined at 30° and making an angle of 45° with the vertical plane ; and a plane inclined at 50° and making an angle of 65° with the vertical plane, to contain the line. 2. The horizontal trace of a plane makes an angle of... 