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A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Cyclopedia of Carpentry and Contracting ...: Architectural drawing ... - Page 64
1910

## An introduction to plane astronomy

Philip Thomas Main - Astronomy - 1868 - 192 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...

## The Farmers' and Mechanics' Manual: With Many Valuable Tables ...

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...

## Introduction to the National Arithmetic: On the Inductive System, Combining ...

Benjamin Greenleaf - Arithmetic - 1870 - 336 pages
...equal? Ans. 13.92-|- feet. 298, 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 Diameter of a sphere is a straight line passing through the center and terminated by the surface ;...

## Explanatory mensuration for the use of schools

Alfred Hiley - 1871
...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...

## Introduction to the National Arithmetic on the Inductive System: Combining ...

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....

## Elements of Geometry, Conic Sections, and Plane Trigonometry

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...

## A Practical Arithmetic: Upon the Basis of the Works of Geo. R. Perkins

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....

## Elements of geometry, with ... trigonometry

André Darré - 1872
...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...