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THE sphere is a solid terminated by a curve surface, all the points of which are equally distant from a point within, called the centre.
Elements of Geometry: With, Practical Applications - Σελίδα 231
των George Roberts Perkins - 1850 - 320 σελίδες
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## A Royal Road to Geometry: Or, an Easy and Familiar Introduction to the ...

Thomas Malton - 1774 - 440 σελίδες
...a SPHERE, is any Right Line puffing through its Center, and terminated by its Surface. As A B. NB A Sphere may be conceived to be generated, by the revolution of a Semicircle; as ADB, on its Diameter AB, which remains fixed whilft th« Semicircumference revolves ; and, in its...

## The shipwright's vade-mecum [by D. Steel].

David Steel - 1805
...Sphere, or globe, is a solid bounded by one uniform convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the rotation of a semi-circle about its diameter. The.i4.ra of a solid is a line, or imaginary...

## Mathematics: Compiled from the Best Authors, and Intended to be the ..., Τόμος 2

Samuel Webber - 1808
...hexagonal, 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre* The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. 9. The axis of a...

## A Treatise on Plane and Spherical Trigonometry

Robert Woodhouse - 1819 - 264 σελίδες
...points are equally distant from an interior point, called the centre of the sphere. The surface of a sphere may be conceived to be generated by the revolution of a semicircle round its diameter. 2. Every section of a sphere, made by a plane, (so it will be demonstrated) is...

## Elements of Geometry

Adrien Marie Legendre - 1819 - 208 σελίδες
...the measure of angles. DEFTJWTIOW3. 90. THE circumfrence of a circle is a curved line all the ipoints of which are equally distant from a point within called the centre. The circle is the space terminated by this curved line*. Fig. 46. 91. Every straight line CA, CE, CD (Jig....

## Elements of Geometry and Trigonometry: With Notes

Adrien Marie Legendre - 1822 - 367 σελίδες
...a3. BOOK VII. THE SPHERE. Definitions. I. The sphere is a solid terminated by a curve surface, a1' the points of which are equally distant from a point within, called the centre. D The sphere may be conceived to be generated by the revolution of a semicircle DAE about its diameter...

## A treatise on navigation, and nautical astronomy

Edward Riddle - 1824 - 551 σελίδες
...surface, every point of which is at the same distance from a point within, called the centre. Cor. 1. A sphere may be conceived to be generated by the revolution of a semicircle, about its diameter. Cor. 2. The section of a sphere, by a plane passing through the centre, is a circle...

## Elements of Geometry

Adrien Marie Legendre - 1825 - 224 σελίδες
...shall have SECTION THIRD. Of the Sphere. DEFINITIONS. ' 437. A sphere is a solid terminated by a curved surface all the points of which are equally distant...be generated by the revolution of a semicircle DAE (fig. 220) about its diameter DE ; Fig. 220. for the surface thus described by the curve DAE will have...

## Elements of Geometry...: Translated from the French for the Use of the ...

Adrien Marie Legendre, John Farrar - 1825 - 224 σελίδες
...the Circle and the Measure of Angles. DEFINITIONS. 90. THE circumference of a circle is a curved line all the points of which are equally distant from a point within called the centre. The circle is the space terminated by this curved line*. Fig. 46. 91. Every straight line CA, C£, CD (fig....

## Elements of Geometry

Adrien Marie Legendre - 1825 - 224 σελίδες
...the Circle and the Measure of Angles. DEFINITIONS. ^0. THE circumference of a circle is a curved line all the points of which are equally distant from a point within called the centre. The circle is the space terminated by this curved line*. 46. 91. Every straight line CA, CE, CD (fig. 46),...