 | Charles Davies - Arithmetic - 1847 - 368 pages
...passing through its centre C is called the diameter of the sphere, and AC its radius. 288. To find the surface of a sphere, Multiply the square of the diameter by 3.1416. EXAMPLES. 1. What is the surface of a sphere whose diameter 1612? , , . , ., OPERATION. We... | |
 | Charles Davies - Arithmetic - 1847 - 368 pages
...passing through its centre C is called the diameter of the sphere, and AC its radius. 288. To find the surface of a sphere, Multiply the square of the diameter by 3.1416. EXAMPLES. 1. What is the surface of a sphere whose diameter is 12? We simply multiply the decimal... | |
 | Charles Davies - Arithmetic - 1850 - 412 pages
...passing through its centre C, is called the diameter of the sphere, and AC its radius. 336. To find the surface of a sphere, Multiply the square of the diameter by 3.1416 (Bk. VIII, Prop.'X. Cor.) EXAMPLES. 1. What is the surface of a sphere whose diameter is 6 ?... | |
 | Charles Davies - Arithmetic - 1852 - 438 pages
...the area of a circle ? 885. What is a sphere ? What is a diameter ? What is a radius ? 336. To find the surface of a sphere, Multiply the square of the diameter by 3.1416 (Bk. VHL Prop. X. Cor.) EXAMPLES. 1. What is the surface of a sphere whose diameter is 6 ? We... | |
 | Charles Davies - 1852 - 344 pages
...passing through its centre C is called the diameter of the sphere, and AC its radius. 326. To find the surface of a sphere, Multiply the square of the diameter by 3.1416 (Bk. VIII. Prop. X. Cor). EXAMPLES. 1. What is the surface of a sphere whose diameter is 12... | |
 | Septimus Tebay - Measurement - 1868 - 168 pages
...feet. THE SPHERE. This solid is formed by the revolution of a circle about -iameter. XXXIV. To find the surface of a sphere. Multiply the square of the diameter by 3 f Ex. Find the surface of a sphere whose diameter is 35 inches. 2 II 2 II 4 22 22 121 25 6 3 I 2... | |
 | George Payn Quackenbos - Arithmetic - 1872 - 350 pages
...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. IL To find the solidity of a sphere, multiply the cube of the diameter by .5236. 16. Required... | |
 | T. A. Bryce - Business mathematics - 1873 - 370 pages
...contents' of a cylinder or prism: Multiply the area of the base by the perpendicular h&iglit* III. To find the surface of a sphere: Multiply the square of the diameter by 3.141(7, V, To find the volume of a spheroid, the axes being given : Multiply the square of the axis... | |
 | George Payn Quackenbos - Arithmetic - 1874 - 444 pages
...every point of which is equally distant from a point within, called the Centre. RULES. — /. To find the surface of a sphere, multiply the square of the diameter by 3.14159. II. To find the solid contents of a sphere, multiply the cube of the diameter by .6236. 31.... | |
 | Daniel Kinnear Clark - Engineering - 1878 - 1022 pages
...sections are similar figures; and is a good approximation for other kinds of areas and solidities. To find the surface of a sphere. — Multiply the square of the diameter by 3-1416. Note. — The surface of a sphere is equal to 4 times the area of one of its great circles. 2. The... | |
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To find the surface of a sphere, Multiply the square of the diameter by 3.1416. 
