| Complete, scientific and popular treatise - 1836 - 230 pages
...the revolution of a right angled triangle, having for its base a circle. A sphere is a solid, bounded by a curved surface, all the points of which are equally distant from an interior point called a centre. PLATE II. PRACTICAL GEOMETRY. TO DIVIDE A STRAIGHT LINE INTO TWO... | |
| Benjamin Peirce - Geometry - 1837 - 216 pages
...their homologous sides. Radii and Section of a Sphere. CHAPTER XVIII. THE SPHERE. 415. Definition. A sphere is a solid terminated by a curved surface,...equally distant from a point within called the centre. 41G. Corollary. The sphere may be conceived to be generated l,y the revolution of a semicircle, DAE... | |
| Benjamin Greenleaf - Arithmetic - 1839 - 356 pages
...base. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. A hemisphere is half... | |
| Charles Davies - Geometrical drawing - 1840 - 264 pages
...cylinder and cone have equal bases and altitudes, the cone will be one-third of the cylinder. 11. A Sphere is a solid terminated by a curved surface all the points of which are equally distant from a certain point called the centre. 12. The sphere may be described by revolving a semicircle ABD about... | |
| Adrien Marie Legendre - Geometry - 1841 - 288 pages
...the Circle and the Measure of Angles. DEFINITIONS. 87. THE circumference of a circle is a curved line all the points of which are equally distant from a point within called the centre. The circle is the space terminated by this curved line.* Fig 4t,. 88. Every straight line CA, CE, CD (fig.... | |
| Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...base. 8. A sphere is a solid, bounded by one continued conveX surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fiXed. A hemisphere is half... | |
| Charles Guilford Burnham - Arithmetic - 1841 - 324 pages
...base. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed. A hemisphere is half... | |
| J. M. Scribner - Measurement - 1844 - 130 pages
...right cone is the distance between the peripheries of the two ends, measured upon the surface. 10. A Sphere is a solid, terminated by a curved surface,...distant from a point •within, called the centre. A sphere may be described by the revolution of a semi-circle about a diameter. 11. A radius of a sphere... | |
| A. Fleming - Astonomy - 1844 - 122 pages
...4. A Sphere is a solid figure, whose circumscribing surface, throughout its whole extent, is equally distant from a point within, called the centre. The sphere may be conceived as generated by the revolution of a circle round one of its diameters as the axis of revolution. Are... | |
| Nathan Scholfield - Conic sections - 1845 - 542 pages
...SPHERICAL. GEOMETRY. SPHERICAL GEOMETRY. DEFINITIONS. 1. THE sphere is a solid terminated by a curve surface, all the points of which are equally distant from a point within, called the centre. G The sphere may be conceived to be generated by the revolution of a semicircle DAE about its diameter... | |
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