 | Daniel Adams - 1849 - 142 σελίδες
...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 - 1850 - 144 σελίδες
...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 - 1861 - 348 σελίδες
...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...triangles meeting in a common point called the vertex. A right cone is a solid resembling a pyramid, but having a curved surface, a circular base, and its... | |
 | Eli Todd Tappan - 1864 - 288 σελίδες
...and tetraedrons. REGULAR PYRAMIDS. 657. A REGULAR PYRAMID is one whose base is a regular polygon, and whose vertex is in the line perpendicular to the base at its center. 658. Corollary. — The lateral edges of a regular pyramid are all equal (529), and the sides are equal... | |
 | George Augustus Walton - 1864 - 364 σελίδες
...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 - 1864 - 376 σελίδες
...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... | |
 | Eli Todd Tappan - 1868 - 444 σελίδες
...and tetraedrons. REGULAR PYRAMID8. 657. A REGULAR PYRAMID is one whose base is a regular polygon, and whose vertex is in the line perpendicular to the base at its center. 658. Corollary. — The lateral edges of a regular pyramid are all equal (529), and the sides are equal... | |
 | John Homer French - 1869 - 350 σελίδες
...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... | |
 | Eli Todd Tappan - 1873 - 288 σελίδες
...and tetraedrons. REGULAR PYRAMIDS. 657. A REGULAR PYRAMID is one whose base is a regular polygon, and whose vertex is in the line perpendicular to the base at its center. 658. Corollary. — The lateral edges of a regular pyramid are all equal (529), and the sides are equal... | |
 | George Augustus Walton - 1876 - 358 σελίδες
...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... | |
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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. 
