| Philip Thomas Main - Astronomy - 1868 - 224 pages
...definitions and prove a few propositions relating to the geometry of the sphere. DBF. A sphere is a **surface every point of which is equally distant from a point within** it called the centre. It follows at once that every plane section of a sphere through the centre is... | |
| Joseph Ray - Arithmetic - 1857 - 360 pages
...the square. 19. A CIRCLE is a figure bounded by a curvo line, called the circumference, every part **of •which is equally distant from a point within, called the center.** A DIAJIETEK is a straight line passing through the center and terminated both ways by the circumference.... | |
| Wilshire S. Courtney - Agriculture - 1869 - 532 pages
...perpendicular to AB at its centre is called the minor diameter. A Sphere is a solid, bounded by a convex **surface, every point of which is equally distant from a point within called** the centre ; as, Fig. 22. A Spheroid is a solid, generated by the revolution of an ellipse about one... | |
| Benjamin Greenleaf - Arithmetic - 1870 - 336 pages
...9.162-f- feet. THE SPHERE. 362. A Sphere is a solid, bounded by orie continued convex surface, every part **of which is equally distant from a point within, called the center. The** Axis or Diameter of a sphere is a line passing through the center, and terminated by the surface. 359.... | |
| Alfred Hiley - 1871 - 184 pages
...is 24 ft. throughout. Find the cubic contents. XXV. THE SPHERE. Definitions. — A sphere or globe **is a solid bounded by a curved surface, every point of which is equally distant from a** certain point within the sphere, called the centre. The radius of a sphere is the straight line drawn... | |
| Benjamin Greenleaf - Arithmetic - 1871 - 350 pages
...9.162-J- feet. THE SPHERE. 362. A Sphere is a solid, bounded by one continued convex surface, every part **of which is equally distant from a point within, called the center. The** Axis or Diameter of a sphere is a line passing through the center, arid terminated by the surface.... | |
| Elias Loomis - Geometry - 1871 - 302 pages
...CIRCLE, AND THE MEASURE OF ANGLES. Definitions. 1. A circle is a plane figure bounded by a line, evory **point of which is equally distant from a point within, called the center.** This bounding line is called the circumference of the circle. 2. A radius of a circle is a straight... | |
| George Payn Quackenbos - Arithmetic - 1872 - 348 pages
...inches across; what will it cost, at 20c. a cubic foot? Ans. $8.48. 537. SPHERES. — A Sphere is a body **bounded by a curved surface, every point of which is equally distant from a point within, called** the centre. RULES. — I. To find the surface of a sphere, multiply the square of the diameter by 3.14159.... | |
| André Darré - 1872 - 226 pages
...in the circumference of the base. It is equal to the hypothenuse VB of the generating triangle. XII. **A sphere is a solid bounded by a curved surface, every point of which is** equidistant from a point within it called the centre. A sphere may be conceived as generated by a circle... | |
| Charles Davies - Geometry - 1872 - 464 pages
...of the cone, along lines which are called elements of cotUact. 12. A SPHERE is a volume bounded by a **surface, every point of which is equally distant from a point within called** the centre. A sphere may be generated by a semicircle revolving about its diameter as an axis. 13.... | |
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