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Bøker Bok 110 av 37The straight line joining the vertex and the centre of the base is called the axis...
" The straight line joining the vertex and the centre of the base is called the axis of the cone. "
A Treatise on Plane and Spherical Trigonometry: Including the Construction ... - Side 115
av Enoch Lewis - 1844 - 228 sider
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The shipwright's vade-mecum [by D. Steel].

David Steel - 1805
...With respect to a triangular pyramid, it is obvious, that its centre of gravity will be found in a straight line drawn from the vertex to the centre of the base. For, supposing the pyramid to be divided into elementary slices, parallel to the base, the centres...
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Elements of the Conic Sections

Robert Simson - 1809 - 177 sider
...fixed point, which is the vertex of the surface of the cone, is named the vertex of the cone, 6. XIII. The straight line drawn from the vertex to the centre of the circle, Is called the axis of the 7. XIV. And the circle itself is named the base of the con?. 8. XV....
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Elements of the Conic Sections

Robert Simson - 1817 - 253 sider
...fixed point, which is the vertex of the surface of the cone, is named the vertex of the cone. 6 . XIII. The straight line drawn from the vertex to the centre of the circle, is called the axis of the cone. 7. XIV. And the circle itself is named the base of the cone....
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The Leeds Correspondent: A Literary, Mathematical, and ..., Volum 3

1821 - 4 sider
...of. one side and the perpendicular is the greatest possible when their included angle is bisected by the straight line drawn from the vertex to the centre of the circumscribing circle. Required a demonstration by the Elements of Euclid. By the Proposer, and Mn....
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Euclid's Elements of Geometry: The Six First Books. To which are Added ...

Rev. John Allen - 1822 - 494 sider
...called t\\cvertex of the cone. 19. The circle is called the base of the cone. 20. A right line, joining the vertex to the centre of the base, is called the axis of the cone. 21. The curve surface, intercepted between the circumference of the base and the vertex, is called,...
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Elements of Science and Art: Being a Familiar Introduction to ..., Volum 2

John Imison - 1822
...is regular or irregular. A pyramid is also right or upright, or it is oblique. It is right, when a line drawn from the vertex to the centre of the base, is perpendicular to it, as Fig. 25. ; and oblique, when this line inclines, as Fig. 26. 46. A cylinder...
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Elements of conic sections deduced from the cone

Abram Robertson - 1825 - 125 sider
...base is called a Side of the Cone. 7. A straight line VC, drawn through the vertex of the cone and the centre of the base, is called the Axis of the Cone. 8. If the axis of the cone be perpendicular to the base, it is called a Right Cone. 9. If the axis...
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The operative mechanic, and British machinist

John Nicholson (civil engineer.) - 1825
...regular or irregular. 59- A pyramid is also right or upright, or it is oblique. It is right, when a line drawn from the vertex to the centre of the base, is perpendicular to it, as fig. 25 ; and oblique, when this line inclines, as Fig. 26. 60. A cylinder...
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The Edinburgh encyclopaedia, conducted by D. Brewster

Edinburgh encyclopaedia - 1830
...cone to à point in the circumference of the base is called a Side of the Cone. 5. A straighl line VC drawn from the vertex to the centre of the base, is called the Axis of the Cone. COR. Any section of a cone Ihrough the axis is a triaftgle. PROP. I. If л cone be cut by a plane parallel...
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The Builder's Practical Guide: Containing a Complete Explanation of the ...

John Nicholson (civil engineer.) - 1830 - 182 sider
...regular or irregular. 59- A pyramid is also right or upright, or it is oblique. It is right, when a line drawn from the vertex to the centre of the base, is perpendicular to it, as Fig. 25 ; and oblique, when this line inclines, as Fig. 26. 60. A cylinder...
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