| John Bonnycastle - Geometry - 1829 - 256 pages
...If a cone be cut into two parts, by a plane parallel to the base, the section will be a circle. 1. If a cone be cut by a plane which passes through its two slant sides in an oblique direction, the section will be an ellipsis. 8. The longest straight line... | |
| Tobias Ostrander - Measurement - 1833 - 172 pages
...6. If a cone be cut into two parts by a plane parallel to the base, the section will be a circle. 7. If a cone be cut by a plane which passes through its two slant sides in an oblique direction the section will be an ellipsis. 8. If two lines be drawn through... | |
| Tobias Ostrander - Measurement - 1834 - 182 pages
...6. If a cone be cut into two parts by a plane parallel to the base, the section will be a circle. 7. If a cone be cut by a plane which passes through its two slant sides in an 'oblique direction the section will be an •ellipsis. 8. If two lines be drawn... | |
| Thomas Holliday - Surveying - 1838 - 404 pages
...ABC. 3. If a cone be cut by a plane parallel to the base, the section will be a circle, as D—E. 4. If a cone be cut by a plane which passes through its two slant sides in an oblique direction, the section will be an ellipse, as F—G. 5. If a cone be... | |
| John Bonnycastle - Geometry - 1848 - 320 pages
...If a cone be cut into two parts, by a plane parallel tt> the base, the section will be a circle. 1. If a cone be cut by a plane which passes through its two slant sides in an oblique direction, the section will be an ellipsis. 8. The longest straight line... | |
| Charles Richson - 1848 - 98 pages
...which is marked by the slanting sline. ^f The curve called ellipse is drawn. EXPLANATION. — 1 . " If a cone be cut by a plane, which passes through its two slant sides in an oblique direction, the section will be an ellipse."* 2. The line here called... | |
| William S. BINNS - 1857 - 220 pages
...cone be cut by a plane at right . _ angles to the axis, or parallel to the base, the section will be a circle. 3. If a cone be cut by a plane which passes through the opposite sides and makes an angle with the axis other than a right angle, the section will be an... | |
| William S. Binns - Mechanical drawing - 1889 - 242 pages
...a cone be cut by a plane at right angles to the axis, or parallel to the base, the section will be a circle. 3. If a cone be cut by a plane which passes through the opposite sides and makes an angle , with the axis other than a right angle, the section will be... | |
| William S. Binns - Mechanical drawing - 1899 - 218 pages
...cut by a plane at right _._j/ee\e.- angles to the axis, or parallel to the base, the section will be a circle. 3. If a cone be cut by a plane which passesthrough the opposite sides and makes an angle with the axis other than a right angle, the section... | |
| Fred Smith Kidder - Sheet-metal work - 1917 - 296 pages
...understanding of the positions of cutting planes as spoken of in the following definitions. DEFINITIONS. 1. If a cone be cut by a plane which passes through its vertex and base, as DE, Fig. 114, and making any angle with those parts, the true form of its section... | |
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