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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

A Course of Mathematics in Two Volumes for the Use of Academies as Well as ...

Charles Hutton - Mathematics - 1807
...Jolid are trapezoids, having the opposite sides parallel. . . j Ex. 1. How many square feet are in the surface of the frustum of a square pyramid, whose slant height is 10 feet} also, each side of the base or greater end being 3 feet 4> inches, and each side of the less end 2...

A Course of Mathematics: In Three Volumes : Composed for the Use of the ...

Charles Hutton - Mathematics - 1811
...the solid are trapezoids, having the opposite sides parallel. EX. 1. How many square feet are in the surface of the frustum of a square pyramid, whose slant height is 10 feet ; also each side of the base or greater end being 3 feet 4 inches, and each side of the less end 2...

The Tutor's Guide: Being a Complete System of Arithmetic; with Various ...

Charles Vyse - Arithmetic - 1815 - 320 pages
...the product will be the surface required. EXAMPLES. (13) How many square feet are in the surface of a frustum of a square pyramid, whose slant height is 10 feet, each side of the greater basis being 3 feet 4 inches, and each side of the less 2 feet 2 inches? (14) How many square...

First Lessons in Geometry: With Practical Applications in Mensuration, and ...

Charles Davies - Geometrical drawing - 1840 - 264 pages
...the convex surface of the frustum ? Ans. 1875 sq. ft. PRCTICAL GEOMETRY. Mensuration of Solids. 2. How many square feet are there in the convex surface...side of the upper base 2 feet 2 inches ? Ans. 110. 3. What is the convex surface of the frustum of a heptagonal pyramid whose slant height is 55 feet,...

The artillerist's manual, and compendium of infantry exercise

Frederick Augustus Griffiths - 1840 - 436 pages
...height, and take half the product. Example. — How many square feet are in the surface of the Frustnim of a Square Pyramid, whose slant height is 10 feet, each side of the base 3 feet, and each side of the less end 2 feet. » 3 + 3= 12 perimeter of base. 2 + 2= 8 perimeter...

An Encyclopędia of Architecture: Historical, Theoretical, and Practical

Joseph Gwilt - Architects - 1842 - 1114 pages
...the sides of the solid are trapezoids, having the opposite sides parallel. Example 1. Required the surface of the frustum of a square pyramid whose slant height is 1O feet, each side of the base being 3 feet 4 inches and each side of the top 2 feet 2 inches. Here,...

A Practical System of Mensuration of Superficies and Solids ...

J. M. Scribner - Measurement - 1844 - 123 pages
...1344=area of lateral surface. Ex. 2. How many square feet are there in the lateral surface of the frustrum of a square pyramid, whose slant height is 10 feet,...side of the upper base 2 feet 2 inches? Ans. 110. Ex. 3. If the slant height of the frustrum of a hexagonal pyramid be 48, each side of the lower base...

Elements of Drawing and Mensuration Applied to the Mechanic Arts: A Book for ...

Charles Davies - Geometrical drawing - 1846 - 254 pages
...slant height fF is equal to 15 feet. What is the convex surface of the frustum ? Ans. 1875 sq.ft. 2. How many square feet are there in the convex surface...side of the upper base 2 feet 2 inches ? Ans. 110. 3. What is the convex surface of the frustum of a heptagonal pyramid whose slant height is 55 feet,...

Elementary Course of Geometry ...

Charles William Hackley - Geometry - 1847 - 248 pages
...sum of the perimeters of the bases, as may be easily shown. Ex. 1. How many square feet .are in the surface of the frustum of a square pyramid whose slant height is 10 feet ; also, each side of the base or greater end being 3 feet 4 inches, and each side of the less end 2...

Elements of Geometry and Trigonometry Translated from the French of A.M ...

Charles Davies - Trigonometry - 1849 - 384 pages
...feet 1 Ans. 2012.798. PROBLEM III. To find the convex surface of the frustum of a regular pyramid. 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 an heptagonal pyramid whose slant height is...