 | Edward Austin Sheldon, M. E. M. Jones, Hermann Krüsi - Object-teaching - 1862 - 482 pages
...will tell you, that all solids of this description are called pyramids. Can you describe a pyramid ? A pyramid is a solid, having a polygon for its base, and as many triangles tapering toward one point (the apex) as there are sides in the base. The teacher... | |
 | Edward Austin Sheldon, M. E. M. Jones, Hermann Krüsi - Object-teaching - 1862 - 480 pages
...will tell you, that all solids of this description are called pyramids. Can you describe a pyramid ? A pyramid is a solid, having a polygon for its base, and as many triangles tapering toward one point (the apex) as there are sides in the base. The teacher... | |
 | Edward Austin Sheldon - History - 1869 - 480 pages
...will tell you, that all solids of this description are called pyramids. Can you describe a pyramid"? A pyramid is a solid, having a polygon for its base, and as many triangles meeting in a point (the apex) as there are sides in the base. The teacher has to... | |
 | Edward Olney - Geometry - 1872 - 472 pages
...from such a log, allowing ¿ for waste in slabs and sawing ? SECTION IV. OF PYRAMIDS AND CONES. 500. A Pyramid is a solid having a polygon for its base, and triangles for its lateral faces. If the base is also a triangle, it is called a triangular pyramid,... | |
 | Edward Olney - Geometry - 1872 - 562 pages
...from such a log, allowing ± for waste in slabs and sawing ? SECTION IV. OF PYRAMIDS AND CONES. 500. A Pyramid is a solid having a polygon for its base, and triangles for its lateral faces. If the base is also a triangle, it is called a triangular pyramid,... | |
 | William Frothingham Bradbury - 1882 - 416 pages
...the contents of a quadrangular prism whose length is 1 5 feet and base a rectangle 3 by 4 feet 1 490. A Pyramid is a solid, having a polygon for its base, and for its other faces triangles which meet at a common point, called the vertex of the pyramid. 49L The... | |
 | Edward Olney - Geometry - 1883 - 352 pages
...the bottom is 4 feet? How many barrels does such a vat contain ? M IV. OF PYRAMIDS AND CONES. 609. A Pyramid is a solid having a polygon for its base, and triangles for its lateral faces. If the base is also a triangle, it is called a triangular pyramid,... | |
 | William Frothingham Bradbury - Arithmetic - 1895 - 398 pages
...the contents of a quadrangular prism whose length is 1 5 feet and base a rectangle 3 by 4 feet ? 490. A Pyramid is a solid, having a polygon for its base, and for its other faces triangles which meet at a common point, called the vertex of the pyramid. 49L The... | |
 | J. R. Bevis - Geometry - 1896 - 174 pages
...to the circumference. 95. The apothem of a regular polygon is the radius of an inscribed circle. 96. A pyramid is a solid having a polygon for its base and triangles for its faces. 97. A regular pyramid is one whose base is a regular polygon. 99. An oblique... | |
 | Charles H. Gleason, Charles Benajah Gilbert - Arithmetic - 1910 - 288 pages
...Find the areas of the ends ; of the curved surface ; the area of the entire surface. THE PYRAMID 335. A pyramid is a solid having a polygon for its base and its surface made of triangles meeting at a point, called the apex. The triangles making the surface... | |
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... alike in form. What is their form ? Yes ; they are all triangles. How does the number of triangles on each compare with the number of sides to the base ? Yes ; there is the same number of them. Now I will tell you, that all solids of this description... 