 | Anson Kent Cross - Mechanical drawing - 1895 - 216 pages
...Ax1s of a pyramid is a straight line connecting the vertex and the centre of the base. The ALTITUDE of a pyramid is the perpendicular distance from the vertex to the base. Quadrant. See Circle. Quadrilateral A plane figure bounded by four straight lines. These lines... | |
 | Anson Kent Cross - Drawing - 1895 - 172 pages
...Ax1s of a pyramid is a straight line connecting the vertex and the centre of the base. The ALTITUDE of a pyramid is the perpendicular distance from the vertex to the base. Quadrant. See Circle. Quadrilateral. A plane figure bounded by four straight lines. These lines... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 554 pages
...the perimeters of its bases and its slant height. Hint. — Apply g 396. 694. Def. — -The altitude of a pyramid is the perpendicular distance from the vertex to the plane of the base. PROPOSITION XVIII. THEOREM 6.9.5. If a pyramid is cut by a plane parallel to its... | |
 | J. R. Bevis - Geometry - 1896 - 174 pages
...oblique pyramid is one whose altitude is not perpendicular to the center of the base. 100. The altitude of a pyramid is the perpendicular distance from the vertex to the plane of its base. 101. The slant-height of a pyramid is the altitude of its triangular faces. 102.... | |
 | Anson Kent Cross - Art - 1897 - 200 pages
...a regular pyramid is a straight line connecting the vertex and the center of the base. The ALTITUDE of a pyramid is the perpendicular distance from the vertex to the base. Quadrilateral. A plane figure bounded by four straight lines. These lines are the sides. The... | |
 | Andrew Wheeler Phillips, Irving Fisher - Geometry - 1897 - 376 pages
...perimeters of its bascs^ and its slant height. /««/.— Apply % 375 6'o.9. Def. — The altitude of a pyramid is the perpendicular distance from the vertex to the plane of the base. PROPOSITION XVIII. THEOREM 660. If a pyramid is cut by a plane parallel to its base... | |
 | William Henry Chandler - Encyclopedias and dictionaries - 1898 - 630 pages
...is a regular polygon: classified, according to base, as triangular, quadrangular, etc. The altitude of a pyramid is the perpendicular distance from the vertex to the plane of the base. The slant height of a right pyramid is the altitude of any one of its lateral faces.... | |
 | James Howard Gore - Geometry - 1898 - 232 pages
...Lateral edges, and the area of the lateral surface is called the Lateral Area. CB 437. The Altitude of a pyramid is the perpendicular distance from the vertex to the plane of the base. 439. A triangular pyramid has but four faces, and is called a Tetraedron; any one... | |
 | Anson K. Cross - Drawing - 1901 - 200 pages
...a regular pyramid is a straight line connecting the vertex and the center of the base. The ALTITUDE of a pyramid is the perpendicular distance from the vertex to the base. Quadrilateral. A plane figure bounded by four straight lines. These lines are the sides. The... | |
 | John Williston Cook, Nebraska C. Cropsey - Arithmetic - 1903 - 408 pages
...right pyramid is the distance from the vertex to the middle of the base of one of its faces. The height of a pyramid is the perpendicular distance from the vertex to the base. 467. The convex surface of a pyramid is the sum of the areas of its triangular faces. 468. The... | |
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The Slant height of a regular pyramid is the distance from the vertex to the middle of one of the sides of the base, or, if it be a cone, to the circumference of the base. 
