 How many square feet are there in the convex surface of the frustum of a square pyramid, whose slant height is 10 feet, each side of the lower base 3 feet 4 inches, and each side of the upper base 2 feet 2 inches ? Ans.  Elements of Geometry and Trigonometry - Halaman 287oleh Adrien Marie Legendre - 1838 - 269 halamanTampilan utuh - Tentang buku ini
 | Edward Brooks - 1877 - 232 halaman
...perimeters or circumferences of the two bases, and multiply it by one-half the slant height. 1. Required the convex surface of the frustum of a square pyramid whose slant height is 24 feet, the side of the lower base 12 feet, and upper base 8 feet. Ans. 96Osq. ft. 2. Required the... | |
 | Charles Davies, Adrien Marie Legendre - 1885 - 538 halaman
...the perimeters of the two bases by the slant height; the product will be the area required. Examples. 1. How many square feet are there in the convex surface...each side of the upper base 2 feet 2 inches? Ans. 110 sq. ft. 2. What is the convex surface of the frustum of a heptagonal pyramid, whose slant height is... | |
 | Edward Sylvester Ellis - 1889 - 370 halaman
...sum of the perimeters of the two bases by one half the slant height. WRITTEN EXERCISES. 1. What is the convex surface of the frustum of a square pyramid whose slant height is 18 feet, the side of the upper base 5 feet and of the lower base 12 feet ? 2. What is the convex surface... | |
 | George Washington Hull - 1895 - 404 halaman
...perimeters or circumferences of the bases by one-half the slant height. WRITTEN EXERCISES. 1. Find the convex surface of the frustum of a square pyramid whose slant height is 24 ft., and the side of the lower base 10 ft. and upper base 6 ft. 2. Find the convex surface of the... | |
 | Edward Brooks - 1895 - 430 halaman
...multiply this sum by one-third of the altitude of the frustum. WRITTEN EXERCISES. 1. Required the lateral surface of the frustum of a square pyramid whose slant height is 20 feet, the side of the lower base 18 feet and upper base 12 feet. Ans. 1200 sq. ft. 2. Required the... | |
 | Andrew Wheeler Phillips, Irving Fisher - 1897 - 376 halaman
...regular triangular pyramid whose slant height is 15 ft., and each side of the base 4 ft. ? 124. What is the convex surface of the frustum of a square pyramid whose slant height is 14 ft., each side of the lower base being 3^ ft. and each side of the upper base 2^ ft. ? 125. What... | |
 | Andrew Wheeler Phillips, Irving Fisher - 1897 - 374 halaman
...regular triangular pyramid whose slant height is 15 ft., and each side of the base 4 ft. ? 124. What is the convex surface of the frustum of a square pyramid whose slant height is 14 ft., each side of the lower base being 3^ ft. and each side of the upper base 2-J ft. ? 125. What... | |
 | William Estabrook Chancellor - 1902 - 178 halaman
...find the total surface, add to this product the areas of both ends, or bases. 1. What is the total surface of the frustum of a square pyramid whose slant height is 10 ft., each side of whose lower base is 3 ft. 4 in., and of the upper base 2 ft. 2 in. ? 2. A square... | |
 | Jacob Henry Minick, Clement Carrington Gaines - 1904 - 412 halaman
...the sum of the perimeters of the two hoses by half the slant height, EXAMPLES. 1. Find the lateral surface of the frustum of a square pyramid whose slant height is 20 ft., tb<> ~^e <ยป* the lower base 10 ft. and of the upper base 6 ft. 2. "What is the convex surface... | |
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