 | Nautical astronomy - 1821 - 708 pages
...which is the number of stones sought. PROBLEM X. To find the solidity of any Pyramid or Cone. RULE. Multiply the area of the base by one third of the perpendicular -height of the Pyramid or cone, the product will be the solidity required. EXAMPLE I. If the Pyramid has a... | |
 | Beriah Stevens - Arithmetic - 1822 - 436 pages
...figure's base, is called the perpendicular altitude. To find the solid content thereof, this is the RDLE. Multiply the area of the base by one third of the perpendicular altitude and the product will be the solid content. NB Every pyramid is equal to i of its circumscribing... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 732 pages
...which is the number of stones sought. PROBLE3I X. To find the solidity of any Pyramid or Cone. RULE. Multiply the area of the base by one third of the perpendicular height of the Pyramid or Cone, the product will be the solidity required. EXAMPLE I. If the Pyramid has a... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 764 pages
...which is the number of stones sought. PROBLEM X. To fini the solidily of any Pyramid or Cone. RULE. Multiply the area of the base by one third of the perpendicular height of the Pyramid or Cone, the product will be the solidity required. EXAMPLE I. If the Pyramid has a... | |
 | John Bonnycastle - Geometry - 1829 - 256 pages
...surface of the frustum? Ans. 144 feet. PROBLEM VIII. To fold the solidity of a cone or pyramid. RULE.* Multiply the area of the base by one third of the perpendicular height of the cone or pyramid, and the product will be the solidity. * Demon. Let sc=a, cs^=x, and A=area... | |
 | James Thomson (LL.D.) - Arithmetic - 1837 - 296 pages
...and 6£ inches, respectively. Required the content. Answ. 17-32957 feet. RULE If. To find the content of a pyramid or cone : Multiply the area of the base by the perpendicular height, and take one third of the product. Ex. 7. Given each side of the base of... | |
 | Calvin Tracy - Arithmetic - 1840 - 326 pages
...of such figures is £ as much as the content of a cylinder of the same length ; therefore, RULE. — Multiply the. area of the base by one third of the perpendicular height. - , , «•,.•. Ex. 1. What is the solid content of a cone 60 feet high,' 25 • '.' the base of... | |
 | Calvin Tracy - Arithmetic - 1842 - 306 pages
...uniformly tapers till it comes to a point. It may be either round, square, or triangular. RULE—Multiply the area of the base by one third of the perpendicular height. Ex. 1. What is the solid content of a cone, 60 feet high, the base of which is 8 feet in diameter ?... | |
 | Arithmetic - 1843 - 142 pages
...multiply it by the height or length of the figure, gives the solid content. 40. To find the solid content of a pyramid or cone, multiply the area of the base by one-third of the perpendicular height, gives the solid content. 41. To find the solid content of the... | |
 | Scottish school-book assoc - 1845 - 444 pages
...the slant height, to the product add the area of the base, and the sum will be the surface. RULE II. Multiply the area of the base by one third of the perpendicular height of the pyramid, and the product will be the solidity. DEMONSTRATION. The sides of the pyramid are evidently... | |
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To find the solidity of a pyramid or cone : Multiply the area of the base by one third of the perpendicular height. 
