 | Charles Hutton - Mathematics - 1811 - 442 pages
...cut off by a plane parallel to the lose. ADD together the perimeters of the two ends, and multi-< ply their sum by the slant height, taking half the product...trapezoids, having the opposite sides parallel. Ex. I. How many square feet are in the surface of the frustrum of a square pyramid, whose slant height... | |
 | Charles Hutton - Mathematics - 1822 - 616 pages
...regular Pyramid or Cone ; being the lower part when the top is cut <ff by a plane parallel to the bane. ADD together the perimeters of the two ends, and multiply...1. How many square feet are in the surface of the frustrutn of a square pyramid, whose slant height is 10 feet ; also, each side of the base or greater... | |
 | Adrien Marie Legendre - Geometry - 1836 - 394 pages
...will be the convex surface (Book Vll. Prop. IV. Cor.). 1. 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.... | |
 | Frederick Augustus Griffiths - 1839 - 348 pages
...which add the area of the base when required. To find the surface of the frustrum of a pyramid or cone. Add together the perimeters of the two ends and multiply their sum by the slant height, and take half the product. To find the solid content of a prism or cylinder. Find the area of the base... | |
 | Charles Davies - Geometrical drawing - 1840 - 262 pages
...frustum of a regular pyramid 1 Mensuration of Solids. 2. 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.... | |
 | Osman Call - Arithmetic - 1842 - 210 pages
...perimeter of its base 15 '! Ans. 150. TO FIND THE SURFACE OF THE FRUSTUM OF A PYRAMID. RULE. — Add the perimeters of the two ends, and multiply their...slant height, taking half the product for the answer. What is the surface of the frustum of a pyramid, the •lant height being 12, the diameters 8 and 6?... | |
 | Joseph Gwilt - Architects - 1842 - 1114 pages
...pyramid or cone, being the lower part where the top is cid off by a plane parallel to the base. Rule. Add together the perimeters of the two ends and multiply their sum by the slant height. One half of the product is the surface sought. This is manifest, bei-am с the sides of the solid are... | |
 | Osman Call - Arithmetic - 1842 - 200 pages
...perimeter of its base 15 1 Ans. 150. TO FIND THE SURFACE OF THE FRUSTUM OF A PYRAMID. RULE. — Add the perimeters of the two ends., and multiply their sum by the slant height, talcing half the product for the answer. What is the surface of the frustum of a pyramid, the slant... | |
 | Charles Davies - Geometrical drawing - 1846 - 254 pages
...the convex surface of the frustum ? Ans. 1875 sq.ft. 2. 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.... | |
 | Charles William Hackley - Geometry - 1847 - 248 pages
...pyramid or cone, being the lower part, when the top is cut off by a plane parallel to the base. RULE I. Add together the perimeters of the two ends, and multiply...slant height, taking half the product for the answer. Because the lateral faces of the frustum of a pyramid are trapezoids, having their opposite sides parallel,... | |
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How many square feet are there in the convex surface of the frustum of a square pyramid, whose slant... 
