 To find the convex surface of a frustum of a pyramid or of a cone. 1. What is the convex surface of a frustum of a square pyramid, whose slant height is 7 feet, each side of the greater base 4 feet, and of the less base 18 inches?  Printers' Arithmetic - Page 132by Charles Lingle Woodfield - 1917 - 136 pagesFull view - About this book
 | Benjamin Greenleaf - Arithmetic - 1849 - 336 pages
...base, that remains after cutting off the top, by a plane parallel to the base. ART. 346. To find the surface of a frustum of a pyramid or of a cone. RULE. — Add the perimeters or the circumferences of the two ends together, and multiply this sum by half... | |
 | Benjamin Greenleaf - 1851 - 332 pages
...base, that remains after cutting off the top, by a plane parallel to the base. ART. 346. To find the surface of a frustum of a pyramid or of a cone. RULE. — Add the perimeters or the circumferences of the two ends together, and multiply this sum InI half... | |
 | Benjamin Greenleaf - 1854 - 342 pages
...base, that remains after cutting off the top, by a plane parallel to the base. ART. 346. To find the surface of a frustum of a pyramid or of a cone. RULE. — Add the perimeters or the circumferences of the two ends together, and multiply this sum by half... | |
 | George Roberts Perkins - Geometry - 1856 - 460 pages
...193.136 cubic feet, PROBLEM V. To find the surface of a frustum of a regular pyramid, or of a frustum of a cone. RULE. Multiply half the sum of the perimeters of the two bases by the slant height. When the entire surface is required, add the areas of the two bases.... | |
 | Benjamin Greenleaf - Arithmetic - 1857 - 336 pages
...part that remains after cutting off the top, by a plane parallel to the base. AKT. 360. To find the surface of a frustum of a pyramid or of a cone. RULE. — Add the perimeters or the circumferences of the two ends together, and multiply this sum by half... | |
 | George Roberts Perkins - Geometry - 1860 - 472 pages
...193-136 cubic feet. PROBLEM V. To find the surface of a frustum of a regular pyramid, or of a frustum of a cone. RULE. Multiply half the sum of the perimeters of the two bases fry the slant height. When the entire surface is required, add the areas of tfte two bases.... | |
 | Benjamin Greenleaf - Arithmetic - 1861 - 338 pages
...part that remains after cutting off the top, by a plane parallel to the base. ART. 360. To find the surface of a frustum of a pyramid or of a cone. RULE. — Add the perimeters or the circumferences of the two ends together, and multiply this sum by half... | |
 | Benjamin Greenleaf - Arithmetic - 1871 - 350 pages
...the part that remains after cutting off the, top, by a plane parallel to the base. 360i To find the surface of a frustum of a pyramid or of a cone. RULE. — Add the perimeters or the circumferences of the two ends together, and multiply tins sum by half... | |
 | Daniel W. Fish - Arithmetic - 1874 - 300 pages
...whose base is a rectangle 80 feet by 60 feet, and the edges which meet at the vertex are 130 feet. 927. To find the convex surface of a frustum of a pyramid or of a cone. 1. What is the convex surface of a frustum of a square pyramid, whose slant height is 7 feet, each... | |
 | Daniel W. Fish - Arithmetic - 1874 - 302 pages
...pyramid of marble, whose altitude is 9 ft., each side of the base being 3 ft., at $2J per cu. foot ? 927. To find the convex surface of a frustum of a pyramid' or of a cone. 1. What is the convex surface of a frustum of a square pyramid, whose slant height is 7 feet, each... | |
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