Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 245
is equal to 15 feet. What is theconvex surface of the frustum ? Ans. 1875 sq. ft. 2. How many square feet are there in the convex surfaceof ihe frustum of a square pyramid, whose slant height is 10feet, each side of the lower base 3 feet 4 inches, and eachside of the upper base 2 feet 2 nches Ans.… … OF GEOMETRY 245 Mensuration o 1 Solids.PROBLEM V. To find the solidity of a pyramid. RUl E. Multiply the area of the base by the altitude and divide the pro-duct by 3, the quotient will be the solidity (Bk. VI. Th. xvii), FXA.MP1.ES. 1 What is ilie solidity of a pyramidthe area of whose base is 215…
Geometry · Plane trigonometry
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