 Find the area of the two ends of the frustum ; multiply these two areas together, and extract the square root of the product. To this root add the two areas, and multiply their sum by one third of the altitude of the frustum; the product will be the solidity.  Printers' Arithmetic - Page 133by Charles Lingle Woodfield - 1917 - 136 pagesFull view - About this book
 | George Roberts Perkins - Arithmetic - 1849 - 346 pages
...perpendicular height. How many cubic feet does it contain? Ans. 93244729f cubic feet. PROBLEM XI. — To find the volume of a frustum of a pyramid, or of a cone. RULE. Find a mean proportional between the area of the two bases, to which add the sum of the bases, and... | |
 | George Roberts Perkins - Arithmetic - 1850 - 364 pages
...spbereXl'154700ol=Side of inscribed cube. 26. Side of inscribed cubex0'86602540=Radius. PROBLEM XT. — To find the volume of a frustum of a pyramid, or of a cone. RULE. Find a mean proportional between the area of the two bases, to which add the, snm of the bases, and... | |
 | George Roberts Perkins - Arithmetic - 1855 - 388 pages
...spherexM5470054=rSide of inscribed cube. 26. Bide of inscribed cubexO-86602540=Radius. PROBLEM XI. — To faid the volume of a frustum of a pyramid, or of a cone. RULE. Find a mean proportional between the area of the two bases, to which add the sum of the bases, and... | |
 | Benjamin Greenleaf - Arithmetic - 1857 - 452 pages
...diameters of the bases being 43 and 23 inches, and the slant height 9 feet ? Ans. 90.72+ sq. ft 659. To find the volume of a frustum of a pyramid, or of a cone. Multiply the areas of the two ends together, and extract the square root of tine product. To this root... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 458 pages
...diameters of the bases being 43 and 23 inches, and the slant height 9 feet ? Ans. 90.72-}- sq. ft. 659. To find the volume of a frustum of a pyramid, or of a cone. Multiply the areas of the two ends together, and extract the square root of the product. To this root... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 472 pages
...diameters of the bases being 43 and 23 inches, and the slant height 9 feet ? Ans. 90.72+ sq. ft. 659. To find the volume of a frustum of a pyramid, or of a cone. Multiply the areas of the two ends together, and extract the square root of the product. To this root... | |
 | Benjamin Greenleaf - Arithmetic - 1870 - 336 pages
...upper end 9 feet ; what is its whole surface ? Ans. 194.22-f square feet. 361. To find the solidity or volume of a frustum of a pyramid or of a cone. RULE. — Find the area of the two ends of the frustum ; multiply these two areas together, and extract the... | |
 | Benjamin Greenleaf - Arithmetic - 1871 - 350 pages
...upper end 9 feet ; what is its whole surface ? Ans. 194.22-)- square feet. 361, To find the solidity or volume of a frustum of a pyramid or of a cone. RULE. — Find the area of the two ends of the frustum ; multiply these two areas together, and extract the... | |
 | Daniel W. Fish - Arithmetic - 1874 - 540 pages
...side of the lower base being 8 feet, and of the upper base 4 feet, and the slant height 55 feet? 928. To find the volume of a frustum of a pyramid or of a cone. 1. Find the volume of the frustum of a square pyramid whose altitude is 10 feet, each side of the lower... | |
 | Benjamin Greenleaf - Arithmetic - 1876 - 344 pages
...upper end 9 feet ; what is its whole surface ? Ans. 194.22-{- square feet 361. To find the solidity or volume of a frustum of a pyramid or of a cone. RULE. — Find the area of the two ends of the frustum ; multiply these two areas together, and extract the... | |
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