 | Wooster Woodruff Beman, David Eugene Smith - Geometry - 1895 - 346 pages
...similitude and the given figures may or may not be in the same plane. COROLLARIES. 1. If a pyramid is cut by a plane parallel to the base, (1) the edges and altitude are divided proportionally, (2) the section is similar to the base. If the planes in the above... | |
 | 1897 - 366 pages
...in. NOTE. — Find the diameter of the base and then its area. THE FRUSTUM OF A PYRAMID OR CONE. 424. If a pyramid be cut by a plane, parallel to the base, so as. to form two parts, as .'in Fig. 57, the lower part is called the frustum of the pyramid. If... | |
 | International Correspondence Schools - Electrical engineering - 1897 - 346 pages
...NOTE. — Find the diameter of the base and then its area. THE FRUSTUM OF A PYRAMID OR COXK. .424. If a pyramid be cut by a plane, parallel to the base, so as to form two parts, as in Fig. 57, the lower part is called the frustum of the pyramid. If a cone... | |
 | Electrical engineering - 1897 - 672 pages
...'.'.•: ir'-a of '..•.<; bate. 15a »4 X ~ - »2a«4 c-jl,:-. :r.'.h«i*. '.K* v.: jme. AM. 811. If a pyramid be cut by a plane parallel to the base, as in Fig. 98, so as to form two parts, the lower part is called the frustum of the pyramid. FIG. 98.... | |
 | International Correspondence Schools - Surveying - 1898 - 518 pages
...A h _ 153.94 X 18 8 ~ 8 ' = 923.64 cu. in., the volume. Ans. THE FRUSTUM OF A PYRAMID OR CONE. 166. If a pyramid be cut by a plane parallel to the base, as in Fig. 94, so as to form two parts, the lower part is called the frustum of the pyramid. Fio. 94.... | |
 | George Albert Wentworth - Geometry, Solid - 1899 - 248 pages
...pentagon with side 5 feet. BOOK VII. SOLID GEOMETRY. PROPOSITION XV. THEOREM. 645. If a pyramid is cut by a plane parallel to the base : 1. The edges and altitude are divided proportionally. 2. The section is a polygon similar to the base. Let V-ABCDE be... | |
 | International Correspondence Schools - Bookkeeping - 1899 - 650 pages
...pyramid or a cone is the perpendicular distance from the vertex to the base. (See AB, Figs. 33 and 34. ) If a pyramid be cut by a plane parallel to the base, so as to form two parts, the lower part is called the frustum of the pyramid. (Fig. 35.) FIG. 35. 113.... | |
 | International Correspondence Schools - Civil engineering - 1899 - 722 pages
...v_Ak _ 153.94X18 8 - 8 — 933.64 cu. in., the volume. Ans. THE FRUSTUM OF A PYRAMID OR CONE. 166. If a pyramid be cut by a plane parallel to the base, as in Fig. 94, so as to form two parts, the lower part is called the frustum of the pyramid. FIG. M.... | |
 | Wooster Woodruff Beman, David Eugene Smith - Geometry - 1899 - 400 pages
...two balls are similar, or two cubes, or two regular tetrahedra, etc. COROLLARIES. 1. If a pyramid is cut by a plane parallel to the base, (1) the edges and altitude are divided proportionally, (2) the section is similar to the bose. If the planes in the proof... | |
 | 1900 - 728 pages
...18 153. !H X-5- = 923.64 cubic inches, the volume. Ans. o Till. FRUSTUM UP A PYRAMID OR CONE. 81 1. If a pyramid be cut by a plane parallel to the base, as in Fig. 98, so as to form two parts, the lower part is called the frustum of the pyramid. FIG. 88.... | |
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The upper end of the frustum of a pyramid or cone is called the upper base... 
