Books Books 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 - Page 287
by Adrien Marie Legendre - 1837 - 359 pages ## The New Normal Written Arithmetic: Designed for Common Schools, Normal ...

Edward Brooks - Arithmetic - 1877 - 444 pages
...perimeters or circumferences of the ttho 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. 960 sq. ft. 2. Required the... ## Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies, Adrien Marie Legendre - Geometry - 1885 - 538 pages
...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... ## Complete Arithmetic: Combining Oral and Written Exercises

Edward Sylvester Ellis - Arithmetic - 1889 - 370 pages
...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... ## A Complete Arithmetic: With Oral and Written Exercises

George Washington Hull - Arithmetic - 1895 - 396 pages
...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... ## The Normal Standard Arithmetic: By Analysis and Induction, Designed for ...

Edward Brooks - Arithmetic - 1895 - 430 pages
...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... ## Elements of Geometry

Andrew Wheeler Phillips, Irving Fisher - Geometry - 1897 - 374 pages
...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... ## Elements of Geometry

Andrew Wheeler Phillips, Irving Fisher - Geometry - 1897 - 376 pages
...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... ## Elementary School Mathematics by Grades: Arithmetic, geometry, and algebra ...

William Estabrook Chancellor - Arithmetic - 1902 - 178 pages
...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... 