| Philip Thomas Main - Astronomy - 1868 - 192 pages
...few definitions and prove a few propositions relating to the geometry of the sphere. DBF. A sphere is **a surface every point of which is equally distant from a point within** it called the centre. It follows at once that every plane section of a sphere through the centre is... | |
| Eli Todd Tappan - Geometry - 1868 - 412 pages
...the following definitions: A CIRCLE is a portion of a plane bounded by a line called a CIRCUMFERENCE, **every point of which is equally distant from a point within called** the CENTER. 146. Theorem. — A circumference is curved throughout. For a straight line can not have... | |
| Wilshire S. Courtney - Agriculture - 1869 - 506 pages
...perpendicular to AB at its centre is called the minor diameter. A Sphere is a solid, bounded by a convex **surface, every point of which is equally distant from a point within called the centre** ; as, Fig. 22. A Spheroid is a solid, generated by the revolution of an ellipse about one of its diameters.... | |
| George Augustus Walton, Mrs. Electa Nobles Lincoln Walton - Arithmetic - 1869 - 336 pages
...is a plane surface. Fig. 1. Fig 2. 326. A plane surface, as in Pig. 1, bounded by a line, every part **of which is equally distant from a point within, called the centre,** is a Circle. 3*37. The bounding line is called the Circumference of the circle. Anj' part of the circumference... | |
| George Jotham Hagar - Encyclopedias and dictionaries - 1912
...sphere because the capacity of the eye for distant vision is equal in every direction. In geometry, **a solid or volume bounded by a surface, every point of which is equally distant from** t ~x>int within, called the center. Or h. is a volume that may be generated by revolving a semicircle... | |
| Edward L. Bates, Frederick Charlesworth - Geometry - 1912 - 621 pages
...See a, b, c, Fig. 1. 3. A circle is a plane figure bounded by a curved line called the circumference, **every point of which is equally distant from a point within called the centre.** The circumference is sometimes referred to as the circle when no reference is being made to the space... | |
| Jennings Cropper Wise - Artillery, Field and mountain - 1912 - 291 pages
...triangular, quadrangular, hexangular, octangular, conical. SPHERES—A sphere is a solid bounded by a curved **surface every point of which is equally distant from a point within called** the center, A diameter of a sphere is a straight line SPHERE passing through the center and ending... | |
| Fletcher Durell, Elizabeth Hall - Arithmetic - 1912
...vertex to any point in the circumference of the base. 178. A sphere is a solid bounded by a curved **surface, every point of which is equally distant from a point within, called** the center. The radius of a sphere is a line drawn from the center to any point of the surface. The... | |
| Seymour Eaton - Business - 1912 - 430 pages
...volume of a rectangular solid is the portion of space which 1 occupies. A solid bounded by a curved **surface, every point of which is equally distant from a point within, called** the center, is called a globe, or sphere. A cylinder is a solid figure described by the revolution... | |
| Glenn Moody Hobbs, Edward Broughton Waite - Education - 1912
...of 21 feet and a base whose diameter is 15 feet. SPHERES 99. A sphere is a solid bounded by a curved **surface, every point of which is equally distant from a point within called** the center. The diameter is a straight line drawn through the center and having its extremities in... | |
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