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The contents of the frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by a third of the altitude.
Arithmetic by Grades for Inductive Teaching, Drilling and Testing - Σελίδα 115
των John Tilden Prince - 1894
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## New Practical Arithmetic in which the Science and Its Applications are ...

Henry Bartlett Maglathlin - 1869 - 324 σελίδες
...base by one third of the altitude.. 6. The CONTENTS of a frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by one third of the altitude. Exercises. 1. What is the surface of a square pyramid, each...

## New Practical Arithmetic: In which the Science and Its Applications are ...

Henry Bartlett Maglathlin - 1873 - 336 σελίδες
...base by one third of the altitude.. 6. The CONTENTS of a frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by one third of the altitude. Exercises. 1. What is the surface of a square pyramid, each...

## Mensuration for elementary and middle class schools

Henry Lewis (M.A.) - 1875 - 85 σελίδες
...but, as in previous cases it may be expressed in words : — To find the volume of a frustrum of a pyramid or cone, multiply the sum of the areas of the two ends, and of the square root of their product, by one-third the height of the frustrum. LESSON XXI....

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

Albert Newton Raub - 1877 - 333 σελίδες
...multiplied by one-half the slant height. 4. The volume of the frustum of a cone or a pyramid equals the sum of the areas of the two bases, plus the square root of the product of the two areas, all multiplied by one-third of the altitude. NOTES. — 1 . To find the...

## The Franklin Written Arithmetic: With Examples for Oral Practice

Edwin Pliny Seaver, George Augustus Walton - 1878 - 316 σελίδες
...upper base, and a mean proportional between them. Hence the Rule. To find the volume of a frustum of a pyramid or cone : Multiply the sum of the areas of...two bases, plus the square root of their product, by the height, and divide the product by 3. 730. The convex surface of the FRUSTUM of a regular pyramid...

## The Franklin Written Arithmetic: With Examples for Oral Practice

Edwin Pliny Seaver, George Augustus Walton - 1878 - 348 σελίδες
...and whose height is the slant height of the frustum. Hence the Rule. To find the convex surface of a frustum of a regular pyramid or cone : Multiply the sum of the perimeters of the two bases by the slant height and divide the product by 2. 731. It can be proved...

## The Complete Arithmetic: Oral and Written

Henry Bartlett Maglathlin - 1881 - 346 σελίδες
...by a plane parallel to the base. 405. The contents of the frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by a third of the altitude. v 24. What are the contents of the frustum of a square pyramid...

## The Complete Arithmetic, Oral and Written, on the Basis of Works

Henry Bartlett Maglathlin - 1882 - 368 σελίδες
...by a plane parallel to the base. 405. The contents of the frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by a third of the altitude. 24. What are the contents of the frustum of a square pyramid...

## An Arithmetic for Preparatory Schools, High Schools, and Academies

Charles Austin Hobbs - 1889 - 343 σελίδες
...cone, multiply the area of the base by one third of the altitude. To find the volume of a frustum of a pyramid or cone, multiply the sum of the areas of the two bases and the square root of their product by one third of the altitude. Let S represent the lateral surface...

## New Practical Arithmetic: In which the Science and Its Applications are ...

Henry B. Maglathlin - 1894 - 360 σελίδες
...base by one third of the altitude.. 6. The CONTENTS of a frustum of a pyramid or cone are equal to the sum of the areas of the two bases plus the square root of their product, multiplied by one third of the altitude. Exercises. 1. What is the surface of a square pyramid, each...