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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 Normal Written Arithmetic: By Analysis and Synthesis, Designed for ...

Edward Brooks - Arithmetic - 1863 - 346 pages
...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. 960sq. ft. 2. Required the...

## Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - Geometry - 1864 - 330 pages
...slant height fF is equal to 15 feet- What is the convex surface of the frustum ? Ans- 1875 AY/- //2 How many square feet are there in the convex surface...frustum of a square pyramid, whose slant height is 1 0 feet, each side of the lower base 3 feet 4 inches, and each Bide of the upper base 2 feet 2 inches...

## Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - Geometry - 1870 - 398 pages
...surface of the frustum ? Ans. 1875 sq. ft. 2. How many square feet are there in the convex surface of ihe frustum of a square pyramid, whose slant height is...each side of the upper base 2 feet 2 inches ? Ans. 1 10. 3. What is the convex surface of the frustum of a heptagonal pyramid whose slant height is 55...

## Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - Geometry - 1872 - 464 pages
...perimeters of the two bases hy the slant height ; the product will be the area required. EXAMPLES. 1. How many square feet are there in the convex surface...sq.ft. 2. What is the convex surface of the frustum of a heptagonal pyramid, whose slant height is 55 feet, each side of the lower base 8 feet, and each side...

## Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

Adrien Marie Legendre - Geometry - 1874 - 512 pages
...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...

## A Practical Business Arithmetic ...

Lorenzo Fairbanks - 1875 - 468 pages
...convex surface. To find the entire surface, add the areas of the two ends. EXAMPLES. 1. Find the slant surface of the frustum of a square pyramid whose slant height is 20 feet, the side of the base 9 feet, and of the top, 7 feet. 2. There is a frustum of a cone whose...

## The Complete Arithmetic: Combining Oral and Written Exercises in a Natural ...

Albert Newton Raub - Arithmetic - 1877 - 348 pages
...ft., the diameter of its lower base 5 ft., and of the upper 4 ft. ? Ans. 84.8232 sq. ft. 7. What is the convex surface of the frustum of a square pyramid whose slant height is 10 ft., the side of the upper base being 20 in. and the lower 30 in. ? Ans. 83£ sq. ft. 8. What are the...

## The New Normal Written Arithmetic: Designed for Common Schools, Normal ...

Edward Brooks - Arithmetic - 1877 - 438 pages
...perimeters or circumferences of the two ba,ses, and multiply it by one-half the slant heiijht. 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...