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" Ex. 2. To find the whole surface of a triangular prism, whose length is 20 feet, and each side of its end or base 18 inches. "
A Course of Mathematics ...: Composed for the Use of the Royal Military ... - Page 46
by Charles Hutton - 1811
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Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

Adrien Marie Legendre - Geometry - 1857 - 448 pages
...surface (B. VII., P. 1). To this add the area of the two bases, when the entire surface is required, Ex. 1. To find the surface of a cube, the length of each side being 20 feet. Ans. 2400 sq. f'. 2. To find the whole surface of a triangular prism, whose base is an equilateral triangle,...
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Elements of Geometry and Trigonometry

C. Davies - 1867
...feetlower base 688-1908 square feetupper base 688-1908 square feetEntire surface G376-3816 , 2- What is the surface of a cube, the length of each side being 20 feet ? Ans- 2400 sq- ft3 Find the entire surface of a triangular prism, whose base is an equilateral triangle, having...
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Elements of Plane and Solid Geometry: And of Plane and Spherical ...

Gerardus Beekman Docharty - Geometry - 1867 - 283 pages
...required, we must add the area of the two bases to the convex surface. EXAMPLE. What is the convex surface of a cube, the length of each side being 20 feet? Ans. 2400 sq. feet. PROBLEM H. To find the convex surface of a right cylinder. Since the cylinder is the limit...
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Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - Geometry - 1870 - 319 pages
...lower base 688.1908 square feet. upper base 688.1908 square feet. Entire surface 637G.3816 2. What is the surface of a cube, the length of each side being 20 feet 1 Ans. 2400 sq. ft. 3. Find the entire surface of a triangular prism, whose base is an equilateral...
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Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1871 - 187 pages
...surface ; to thin add the areas of the two bases ; the result will be the area required. EX AMPLES. 1. Find the surface of a cube, the length of each side being 20 feet. At1s. 2400 sq. ft. 2. Find the whole surface of a triangular prism, whose base is an equilateral triangle,...
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Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - Geometry - 1872 - 455 pages
...surface ; to this add the areas of the two bases ; the result will be the area required. EXAMPLES. 1. Find the surface of a cube, the length of each side being 20 feet. Ans. 2400 sq. ft. 2. Find the whole surface of a triangular prism, whose base is an equilateral triangle, having...
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Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

Adrien Marie Legendre - Geometry - 1874 - 455 pages
...surface ; to this add the areas of the two bases ; the result will be the area required. EXAMPLES. 1. Find the surface of a cube, the length of each side being 20 feet. Ans. 2400 sq. ft. 2. Find the whole surface of a triangular prism, whose base is an equilateral triangle, having...
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