| James Bates Thomson - Arithmetic - 1846 - 362 pages
...diameter by 3.14159. (Leg. 11. 5. Sch.) Note. — The circumference of a circle is a curve line, al1 **the points of which are equally distant from a point within, called the centre. The** diameter of a circle is a straight line which passes through the centre, and is terminated on both... | |
| George Roberts Perkins - Geometry - 1847 - 308 pages
...their lines of contact. 7. A sphere is a solid terminated by a curve surface, all the points of wliich **are equally distant from a point within, called the...surface described in this movement, by the curve DAE,** witl have all its points equally distant centre C» from the 8. The radius of a sphere* is a straight... | |
| James Bates Thomson - Arithmetic - 1847 - 434 pages
...the diameter by 3.14159. (Leg. Y. 11. Sell.) Note. — The circumference of a circle is a curve line, **all the points of which are equally distant from a point within, called the centre. The** diameter of a circle is a straight line which passes through the centre, and is terminated- on both... | |
| Benjamin Peirce - Geometry - 1847 - 150 pages
...homologous sides. CHAPTER XVIII. THE SPHERE. 415. Definition. A sphere is a solid terminated by a curved **surface, all the points of which are equally distant from a point within called the centre.** 416. Corollary. The sphere may be conceived to be generated by the revolution of a semicircle, DAE... | |
| James Robinson (of Boston.) - 1847 - 302 pages
...cone. 7. A SPHERE, or GLOBE, is a solid, bounded by a 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. The figure ACB represents a sphere. 8.... | |
| James Bates Thomson - Arithmetic - 1847 - 424 pages
...the diameter by 3.14159. (Leg. V. 11. Sch.) Note. — The circumference of a circle is a curve line, **all the points of which are equally distant from a point within^ called** the ce-ndre. The diameter of a. circle is a straight line which passes through the centre, and is terminated... | |
| James Bates Thomson - Arithmetic - 1848 - 432 pages
...the diameter by 3.14159. (Leg. V. 11. Sch.) Note.—The circumference of a circle is a curve line, **all the points of which are equally distant from a point within, called the centre. The** diameter of a circle is a straight line which passes through the centre, and is terminated on both... | |
| Thomas Grainger Hall - Trigonometry - 1848 - 194 pages
...called a diameter. All the radii of a sphere are equal, and the diameter is double of the radius. 3. **The sphere may be conceived to be generated by the revolution of a semicircle** round its diameter ; and as all lines perpendicular to this diameter will necessarily describe circles,... | |
| Rufus Putnam - Arithmetic - 1849 - 276 pages
...the middle of one end to the middle of the opposite end. 10. A SPHERE, or CLOSE, is a solid bounded **by a curve surface, all the points of which are equally distant from a point within called the centre.** 11. A hemisphere is half a sphere. 12. The axis or diameter of a sphere is a line passing through the... | |
| Charles Davies - Trigonometry - 1849 - 384 pages
...CIRCLE, AND THE MEASUREMENT OF ANGLES. Definitions. 1. 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 Ihe space terminated by this curved line.* 2. Every straight line, CA, CE, CD, drawn from... | |
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