 A parallelepiped is a prism whose bases are parallelograms. A pyramid is a polyhedron having a polygon for its base, and for its sides it has triangles which have a common vertex, and the sides of the polygon for their bases. The common vertex of the...  Practical Geometry and Graphics - Page 182by David Allan Low - 1912 - 448 pagesFull view - About this book
 | David Allan Low - Geometry, Descriptive - 1884 - 142 pages
...parallelograms. Those faces of a prism which are parallelograms are generally called its sides. Fro. 32. A parallelepiped is a prism whose bases are parallelograms....vertex, and the sides of the polygon for their bases. Flo. 34. A right square An oblique penta- A right hexa- An oblique heptaprism. goual prism. gonal pyramid.... | |
 | Linus Faunce - Mechanical drawing - 1887 - 172 pages
...polyhedron having two of its faces, called its ends or bases, parallel, and the rest parallelograms. A parallelepiped is a prism whose bases are parallelograms....vertex, or apex, of the pyramid. The axis of a prism is a straight line joining the centres of its ends; and the axis of a pyramid is the straight line from... | |
 | Linus Faunce - Mechanical drawing - 1887 - 176 pages
...two of its faces, called its ends or bases, parallel, and the rest parallelograms. A parallelopiped is a prism whose bases are parallelograms. A pyramid...vertex, or apex, of the pyramid. The axis of a prism is a straight line joining the centres of its ends ; and the axis of a pyramid is the straight line from... | |
 | Linus Faunce - Mechanical drawing - 1890 - 172 pages
...polyhedron having two of its faces, called its ends or bases, parallel, and the rest parallelograms. A parallelepiped is a prism whose bases are parallelograms....vertex, or apex, of the pyramid. The axis of a prism is a straight line joining the centres of its ends ; and the axis of a pyramid is the straight line from... | |
 | Charles F. Jackson - Mechanical drawing - 1896 - 112 pages
...planes. A prism is a polyhedron having two of its faces, called its ends or bases, parallel and the rest parallelograms. A pyramid is a polyhedron having a...vertex, or apex, of the pyramid. The axis of a prism is a straight line joining the centres of its ends ; and the axis of a pyramid is the straight line from... | |
 | William W. Speer - Arithmetic - 1899 - 296 pages
...of a cone is a polygon, of what is the lateral surface of the cone composed ? 7. What is a pyramid ? A pyramid is a polyhedron having a polygon for its base and triangles for its lateral surface. 8. What is the altitude or height of a pyramid ? Out of " tough... | |
 | William W. Speer - Arithmetic - 1899 - 296 pages
...of a cone is a polygon, of what is the lateral surface of the cone composed ? 7. What is a pyramid ? A pyramid is a polyhedron having a polygon for its base and triangles for its lateral surface. 8. What is the altitude or height of a pyramid ? Out of " tough... | |
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