 | Commissioners of National Education in Ireland - Measurement - 1837 - 284 pages
...one of its sides, which remain fixed. 7. A pyramid is a solid, having a plane figure for its base ; and whose sides are triangles meeting in a point, called the vertex. Pyramids have their names from their bases, like prisms. When the base is a triangle, the solid is... | |
 | James Wharton - 1847 - 224 pages
...of a rectangle about one of its sides. 5. A pyramid is a solid, having a plane figure for its base ; and whose sides are triangles meeting in a point, called the vertex. Pyramids have their names from their bases, and. if the base is a triangle, the solid is called a triangular... | |
 | Daniel Adams - Arithmetic - 1849 - 142 pages
...solid which differs from the cylinder in having ellipses instead of circles for its ends or bases. 11. A Pyramid is a solid whose base is a polygon, and whose sides are triangles terminating in a point called the Vertex. GEOMETRICAL DEFINITIONS. 12. The Segment of a Pyramid is... | |
 | Daniel Adams - Measurement - 1850 - 144 pages
...solid which differs from the cylinder in having ellipses instead of circles for its ends or bases. 11. A Pyramid is a solid whose base is a polygon, and whose sides are triangles terminating in a point called the Vertex. GEOMETRICAL DEFINITIONS. 12. The Segment of a Pyramid is... | |
 | Emerson Elbridge White - Arithmetic (Commercial), 1861 - 1861 - 348 pages
...the sides of the base being 60, 80, and 100 feet ? Ans. 360000 cu. ft. PYRAMIDS AND CONES. ART. 180. A pyramid is a solid whose base is a polygon, and whose sides are triangles meeting in a common point called the vertex. A right cone is a solid resembling a pyramid, but having a curved surface,... | |
 | George Augustus Walton - Arithmetic - 1864 - 364 pages
...of parallelograms. 441. A Cylinder is a round body whose bases are equal and parallel circles. 442. A Pyramid is a solid whose base is a polygon, and whose convex surface is composed of triangles which terminate in a common point called the vertex. 443. A... | |
 | George Augustus Walton - Arithmetic - 1864 - 376 pages
...of parallelograms. 441. A Cylinder is a round body whose bases are equal and parallel circles. 443. A Pyramid is a solid whose base is a polygon, and whose convex surface is composed of triangles which terminate in a common point called the vertex. 443. A... | |
 | Edward Thomas Stevens - 1866 - 434 pages
...if P above. THE PYRAMID. Definition : — A pyramid is a solid having a plaue"*figure for its base ; and whose sides are triangles meeting in a point, called the vertex. When the base is a triangle, the solid is called a triangular pyramid; when the base is a square, it... | |
 | John Homer French - Arithmetic - 1869 - 350 pages
...are parallelograms. 606. A Cylinder is a solid whose bases or ends are equal, parallel circles. 607. A 'Pyramid is a solid whose base is a polygon, and whose sides are triangles, terminating in a point or vertex. MENSUEATION OF LINES. 609. A. Sphere, or a Globe? is a solid bounded... | |
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A pyramid (Fig. 54) is a solid whose base is a polygon and whose sides are triangles uniting at a common point, called the vertex. 
