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" The radius of a sphere is a straight line, drawn from the centre to any point of the... "
Plane and Solid Geometry: To which is Added Plane and Spherical Trigonometry ... - Page 176
by George Roberts Perkins - 1856 - 235 pages
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Elements of Plane and Solid Geometry: And of Plane and Spherical ...

Gerardus Beekman Docharty - Geometry - 1867 - 474 pages
...surface described by the motion of the curve will have all its points equally distant from the centre. 2. The radius of a sphere is a straight line drawn from the centre to any point on the surface. The diameter or axis of a sphere is a straight line drawn through the centre, and terminated...
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Elements of Geometry: With Practical Applications to Mensuration

Benjamin Greenleaf - Geometry - 1868 - 340 pages
...formed by the revolution of a semicircle, DAE, about its diameter, DE, which remains fixed. 498. Tho RADIUS of a sphere is a straight line drawn from the centre to any point in .surface, as the line C B. The DIAMETER, or Axis, of a sphere is a line passing through the centre,...
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A New Manual of the Elements of Astronomy: Descriptive and Mathematical ...

Henry Kiddle - Astronomy - 1868 - 300 pages
...the centre. through the centre, and terminated both ways by the surface of the sphere. 33. The EADIUS of a sphere is a straight line drawn from the centre to any point of the surface. 34. Circles drawn on the surface of a sphere are either GREAT CIRCLES or SMALL CIRCLES....
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Mensuration for Beginners: With Numerous Examples

Isaac Todhunter - Measurement - 1869 - 312 pages
...every point of its surface equally distant from a certain point, called the centre of the sphere. A radius of a sphere is a straight line drawn from the centre to the surface. A diameter of a sphere is a straight line drawn through the centre, and terminated both...
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Elements of Geometry, Plane and Spherical: With Numerous Practical Problems

Horatio Nelson Robinson - 1869 - 276 pages
...it is that portion of the sphere which is generated by a sector of the 'generating semicircle. 21. The Radius of a Sphere is a straight line drawn from the center to any point in the surface; and the diameter is a straight line drawn through the center, and...
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New Practical Arithmetic in which the Science and Its Applications are ...

Henry Bartlett Maglathlin - Arithmetic - 1869 - 332 pages
...curved surface, all points of which are equally distant from a point within called the center. 429. The RADIUS of a sphere is a straight line drawn from the center to any point in the surface. 430. The DIAMETER of a sphere is a straight line drawn through...
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A New Manual of the Elements of Astronomy: Descriptive and Mathematical ...

Henry Kiddle - Astronomy - 1870 - 300 pages
...centron, the centre. through the centre, and terminated both ways by the surface of the sphere. 33. The RADIUS of a sphere is a straight line drawn from the centre to any point of the surface. 34. Circles drawn on the surface of a sphere are either GREAT CIRCLES or SMALL CIRCLES....
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Elements of Geometry, Conic Sections, and Plane Trigonometry

Elias Loomis - Geometry - 1871 - 302 pages
...described by the revolution of a semicircle A.DB, about its diameter AB, which remains unmoved. 2. The radius of a sphere, is a straight line drawn from the center to any point of the surface. The diameter, or axis, is a line passing through the center, and...
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - Geometry - 1872 - 464 pages
...the centre. A sphere may be generated by a semicircle revolving about its diameter as an axis. 13. A RADIUS of a sphere is a straight line drawn from the centre to any point of the surface. A DIAMETER is any straight line drawn through the centre and limited at both extremities...
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A Mathematical Geography: With a Supplement Containing an Outline of ...

Edward Payson Jackson - Astronomical geography - 1872 - 154 pages
...24 t The Diameter of a Sphere is a straight line drawn from the center both ways to the surface. 25. The Radius of a Sphere is a straight line drawn from the center to the surface. 26. Great Circles of a Sphere are circumferences of the sphere. (See § 14.)...
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