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" To find the volume of a pyramid, or of a cone. Multiply the area of the base by one third of the altitude. "
Elements of Plane and Spherical Trigonometry - Page 69
by Elias Loomis - 1865 - 150 pages
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The complete measurer: or, The whole art of measuring, containing the ...

Thomas Keith - 1817 - 306 pages
...Solidity 4358'97 inches'. Am. < Weight 1 157•8514 pounds, 4 Cost £l5. : 13s. : ?d. PROBLEM V. Tojind the Solidity of a Pyramid. RULE. Multiply the area of the base by onethird part of the heightrand the product will be th'i solidity *. Note. To find the surface of a...
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New American Practical Navigator

Nautical astronomy - 1821 - 708 pages
...4 j, 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....
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A Treatise on Practical Mensuration in Eight Parts ...

Anthony Nesbit - Surveying - 1824 - 476 pages
...cost 1 3l. 1s. O| rf. and it witt turn round 7928.16926 times in rolling 5 acres of land. PROBLEM v. To find the solidity of a pyramid. RULE. Multiply the area of the base by J of the perpendicular height, and the product will be the solidity. i. The area of the base of a pyramid...
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The New American Practical Navigator: Being an Epitome of Navigation ...

Nathaniel Bowditch - Nautical astronomy - 1826 - 732 pages
...4¿, 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....
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The New American Practical Navigator: Being an Epitome of Navigation ...

Nathaniel Bowditch - Nautical astronomy - 1826 - 764 pages
...or 41, 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....
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An Introduction to Mensuration and Practical Geometry

John Bonnycastle - Geometry - 1829 - 256 pages
...what is the 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,...
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The Teacher's Assistant, and Scholar's Mathematical Directory: Containing ...

Dudley Leavitt - Mathematics - 1830 - 154 pages
...3.15 xl=3.15"feet, the area of the end ; then 3.15x10=31.5 feet. Ans. 5. To find the solid content of a pyramid. Rule. Multiply the area of the base by one third of the height. Exam. Required the solidity of a square pyramid whose height is 30 feet, and each side of the...
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A treatise on practical geometry, mensuration, conic sections, gauging, and ...

Ireland commissioners of nat. educ - 1834 - 370 pages
...of this rule is manifest from Prob. XXVI1. Sec. II. and from Prob. I. in this Section. PROBLEM VI. To find the solidity of a pyramid. RULE. Multiply the area of the hase by the one-third of the height, and the product will be the solidity.* 1 . What is the solidity...
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A New System of Practical Astronomy: Made Plain and Easy to Those who Have ...

Thomas Spofford - Almanacs, American - 1835 - 84 pages
...end by the leneth or height. PKOB. \39.-ToJlnd the solidity or cubic contents Of a PYRAMID, or CONE. RULE.— Multiply the area of the base by one third Of the length or height. PROB. 140.— To find the solidity or cubic contents of a C-PHERE, or GLOBE, RULS.—...
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A Practical and Theoretical System of Arithmetic...: Also, a Treatise on ...

George Willson - Arithmetic - 1836 - 202 pages
...vertex ; a straight line from which, through the centre of the pyramid to its base, is called its axis. To find the solidity of a pyramid : RULE. — Multiply the area of the base by £ of its height. When the smaller end of a pyramid is cut off parallel to the base, the residue is...
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