 | Nathaniel Bowditch - 1846 - 854 pages
...number of stones required. MENSURATION. PROBLEM X. To ßnd 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 have a... | |
 | John Bonnycastle - Geometry - 1848 - 320 pages
...surface of the frustrum? Ans. 144 feet. PROBLEM VIII. To find 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... | |
 | Joseph Bateman - Excise tax - 1852 - 376 pages
...the base; the solid is ealled a right pyramid ; but if not, it is oblique. To Jind the content * — Multiply the area of the base by one third of the perpendicular height ; the product is the content. are ealled Conic Sections. The altitude of a pyramid or cone is its perpendicular... | |
 | Charles D. Lawrence - Arithmetic - 1854 - 336 pages
...prism or cylinder. Multiply the area of the base by its altitude, y duct will be solidity. RULE x. To find the solidity of a pyramid, or cone. Multiply the area of its base by one third of its the product will be its solidity. fkt nro ana Number of Sides. Names.... | |
 | Noble Heath - 1855 - 468 pages
...of the base of which is 25 ft. 6 in., and the perpendicular height 75 ft. 3 in. ? Ans. 3057,12 -f- sq. feet. 609. The pyramid is a solid, having for...a hexagon, the side of which is 10 feet. Ans. 8660 | + cubic feet. 010. When a pyramid or cone is cut by a plane parallel to the base, the upper part... | |
 | Benjamin Greenleaf - Arithmetic - 1857 - 452 pages
...circumference of whose base is 9 feet ? Ans. 90 feet. 6571 To find the volume of a pyramid, or of a cone. Multiply the area of the base by one third of the altitude. Ex. 1. What is the solidity of a cone, whose height is 12^ feet, and the diameter of whose... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 472 pages
...circumference of whose base is 9 feet ? Ans. 90 feet 657. To find the volume of a pyramid, or of a cone. Multiply the area of the base by one third of the altitude. Ex. 1. What is the solidity of a cone, whose height is 12^ feet, and the diameter of whose... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 458 pages
...circumference of whose base is 9 feet ? Ans. 90 feet. 657 1 To find the volume of a pyramid, or of a cone. Multiply the area of the base by one third of the altitude. •Ex. 1. What is the solidity of a cone, whose height is 1 2^ feet, and the diameter of... | |
 | George James Ford - Carpentry - 1869 - 148 pages
...circumference of the base by the height, to which add the area of both ends for the whole surface. TO FIND THE SOLIDITY OF A PYRAMID, OR CONE. Multiply the area of the base by Jrd the perpendicular height, and the product will be the solidity. To FIND THE SURFACE OF A PYRAMID,... | |
 | George Payn Quackenbos - Arithmetic - 1874 - 444 pages
...the entire surface, add to the convex surface the area of the base. II. To find the solid contents of a pyramid or cone, multiply the area of the base by one-third of the altitude. III. To find the convex surface of the frustum, of a pyramid or cone, multiply... | |
| |
To find the solidity of a pyramid or cone : Multiply the area of the base by one third of the perpendicular height. 
