Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 249
e surface is required (Bk. VI. Th. ii) EXAMPLES. 1. What is the entire surface of thecylinder in which AB, the diameter ofthe base, is 12 feet, and the altitude EF30 feet ? First, to find the circumference of thebase, (Prob. X. page 180) : we have3.1416 x 12 = 37.6992 = circumference ofthe base.… … 2. What is the convex curface of a cylinder, the diameterof whose base is 20, and the altitude 50 feet ? Arts 3141.6*7./*. OF GEOMETRY 249 Mensuration of the Round Bodies. 3. Required the entire surface of a cylinder, whose altitudeis 20 feel and the diameter of the base 2 feet. Ans. 131.9472 ft.…
Geometry · Plane trigonometry
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