Haswell's engineers' and mechanics' pocket-book .. (1844)
Haswell, Chas. H. (Charles Haynes), 1809-1907 · New York, Harper & brothers · leaf 69
multiplied by the corresponding number in thecolumn C, will give the radius of the circumscribing circle. MENSURATION OF SURFACES 61 OF REGULAR BODIES. To find the Superficies of any Regular Body.Rule.—Multiply the tabular surface in the following table by thesquare of the linear edge, and the… … Tofmd the Area of an Irregular Polygon, abcdefg—fig. 10.Rule.—Draw diagonals to divide the ligure into trapeziums andtriangles ; find the area of each separately, and the sum of the wholewill give the area required. To find the Area of a Long Irregular Figure, bdca—fig. 11.Rule.—Take the breadth in…
Engineering · Mechanical engineering
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