| Nathan Scholfield - 1845 - 896 pages
...GEOMETRY. SPHERICAL GEOMETRY. DEFINITIONS. 1. 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.** The sphere may be conceived to be generated by the revolution of a semicircle DAE about its diameter... | |
| Nathan Scholfield - Conic sections - 1845 - 244 pages
...GEOMETRY. SPHERICAL GEOMETRY. DEFINITIONS. 1. 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.** G The sphere may be conceived to be generated by the revolution of a semicircle DAE about its diameter... | |
| 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... | |
| James Bates Thomson - Arithmetic - 1847 - 432 pages
...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... | |
| Benjamin Peirce - Geometry - 1847 - 150 pages
...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 Bates Thomson - Arithmetic - 1848 - 432 pages
...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... | |
| Rufus Putnam - Arithmetic - 1849 - 404 pages
...middle of the opposite end. 10. A SPHERE, or GLOBE, 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... | |
| Almon Ticknor - Measurement - 1849 - 144 pages
...— THE CIRCLE AND MEASUREMENT or ANGLES. 27. The circumference of a circle is a curved line, all the **points of which are equally distant from a point within, called the centre.** Every straight line, CA, CE, ,CD, drawn from the centre to the circumference is called a radius, or... | |
| Charles Davies - Trigonometry - 1849 - 384 pages
...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... | |
| George Roberts Perkins - Geometry - 1850 - 332 pages
...they will be their lines of contact. 7. A sphere is a solid terminated by a curve surface, all the **points of which are equally distant from a point within, called the centre.** The sphere m-ay be conceived to be generated by the revolution of a semicircle DAE about its diameter... | |
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