| Charles Davies - Arithmetic - 1847 - 368 pages
...is 7 ? Ans. 4. How many square yards in a circle whose diameter is 3J feet? Ans. 1.069016 +. 287. A **sphere is a solid terminated by a curved surface, all the points of which are equally distant from a** certain point within called the centre. The line AD passing through its centre C is called the diameter... | |
| 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... | |
| 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 centre. The sphere may be conceived** to be generated by the revolution of a semicircle DAE about its diameter DE;: for the surface described... | |
| 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.... | |
| 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... | |
| J. M. Scribner - Mechanical engineering - 1849 - 264 pages
...5. A spheroid is a solid, generated by the revolution of an ellipse about either of its axes. 6. A **sphere is a solid, terminated by a curved surface,...which are equally distant from a point within, called** the center. A sphere may be described by the revolution of a semicircle about a diameter. 7. A radius... | |
| Elias Loomis - Conic sections - 1849 - 252 pages
...squares, and one with pentagons. BOOK IX. SPHERICAL GEOMETRY. Definitions. 1. A sphere is a solid bounded **by a curved surface, all the points of which are equally distant from a point within, called** the center. The sphere may be conceived to be described by the revolution of a semicircle ADB, about... | |
| Rufus Putnam - Arithmetic - 1849 - 404 pages
...of one end to the 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
...SECTION 4. — 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... | |
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