 | John Henry Walsh - Arithmetic - 1908 - 314 pages
...inches in diameter and 7 inches high ? How many cubic inches in its volume ? PYRAMIDS AND CONES. 453. A pyramid is a solid whose base is a polygon, and whose sides are triangles terminating in a common vertex. 454. A cone is a solid sloping regularly to its vertex from a circular... | |
 | Lorenzo Dow Harvey - Arithmetic - 1909 - 412 pages
...the two bases. The altitude of a prism or a cylinder is the perpendicular distance between its bases. A pyramid is a solid whose base is a polygon, and whose sides are triangles meeting at the vertex. CYLINDER SOLIDS The altitude of a pyramid is the distance from the vertex to the center... | |
 | Correspondence schools and courses - 1909 - 886 pages
...width = 5^ in. = 5.5 in. 20 X 10.75 X 6.5 Xj = 1,182,5 = ^ ff RM J — i Ans. THE PYRAMID AND CONE 27. A pyramid is a solid whose base is a polygon and whose sides are F«o. » triangles uniting at a common point, called the vertex. See Fig. 18. 28. A cone is a solid... | |
 | George E. Mercer - Arithmetic - 1909 - 312 pages
...cylindrical can which holds 19.635 liters and is 25 cm in diameter ? COMPLETE ARITHMETIC 38. Written. A pyramid is a solid whose base is a polygon and whose lateral faces are triangles meeting at a point called the vertex of the pyramid. Pyramids, like prisms,... | |
 | John Charles Stone, James Franklin Millis - Arithmetic - 1910 - 440 pages
...PR1SMS AND PYRAM1DS COMPARED RECTANGULAR PR1SM TR1ANGULAR PR1SM RECTANGULAR PYRAM1D TR1ANGULAR PYRAM1D A Pyramid is a solid whose base is a polygon and whose sides or faces are triangles meeting at a common point called the vertex of the pyramid. If the base is a... | |
 | Henry John Spooner - Geometrical drawing - 1911 - 196 pages
...cube-like solid, such as a square or rectangular slab (Fig. 601). A Pyramid (Egyptian word) (Fig. 599) is a solid whose base is a polygon, and whose sides are triangles, their apices meeting in one point called the apex or vertex of the pyramid. When the axis is inclined... | |
 | George Clinton Shutts - Geometry - 1912 - 392 pages
...plane of the base and a plane through the vertex parallel to the base. Why? 570. PYRAMIDS CLASSIFIED. A pyramid is triangular, quadrangular, pentagonal,...according as its base is a triangle, quadrilateral, a pentagon, etc. In a triangular pyramid any face may be taken for the base, the vertex of the opposite... | |
 | George C. Shutts - 1913 - 212 pages
...plane of the base and a plane through the vertex parallel to the base. Why? 570. PYRAMIDS CLASSIFIED. A pyramid is triangular, quadrangular, pentagonal, etc., according as its base is a triangle, a quadrilateral, a pentagon, etc. In a triangular pyramid any face may be taken for the base, the vertex... | |
 | United States. Bureau of Naval Personnel - Arithmetic - 1913 - 144 pages
...is shown in figure 40? Answer, 77.196 square inches. THE PYRAMID AND CONE. 10. A pyramid (fig. 41) is a solid whose base is a polygon and whose sides are triangles uniting at a common point, called the vertex. 11. A <.one (fig. 42) is a solid whose base is a circle... | |
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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. 
