Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 253
s. 157.27635 sq. ft. 5. The circumference of the base of a cone is 10.75. andthe slant height is 18.25 : what is the entire surface ? Ans. 107.29021 sq. ft PROBLEM IV. To find the solidity of a cone. RULE. Multiply the area of the base by the altitude; and divide the pro-duct by 3, the quotient… … We simply multiply thearea of the base by the alti-tude, and then divide the pro-duct by 3. Operation. 380 48 304015203)18240area = 6080 2. Required the solidity of a cone whose altitude is 27feet, and the diameter of the base 10 feet. Ans. 706.86 cubic ft. 3. Required the solidity of a cone whose…
Geometry · Plane trigonometry
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