 | John Appley Ferrell - Arithmetic - 1901 - 432 pages
...change direction at every point. A Globe or Sphere is a solid bounded by a curved surface all parts of which are equally distant from a point within called the center. A straight line passing through the center of a sphere and terminating at each end in the surface is... | |
 | William Estabrook Chancellor - Arithmetic - 1902 - 178 pages
...feet does it contain'! THE SPHERE A sphere is a body bounded by a uniformly curved surface, all the points of which are equally distant from a point within called the center. The diameter of a sphere is a straight line passing through the center of the sphere, and terminated... | |
 | George Albert Wentworth - Geometry, Solid - 1902 - 246 pages
...VIII. THE SPHERE. PLANE SECTIONS AND TANGENT PLANES. 737. DEF. A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre. 738. A sphere may be generated by the revolution of a semicircle ACB about its diameter... | |
 | Theophilus Nelson - Geometry, Modern - 1902 - 154 pages
...following definition of a cirFIG. 10. cumference. Definition: — A circumference is a curved line all points of which are equally distant from a point within called the centre. 28. A circumference incloses or bounds a portion of a plane. This portion of a plane is... | |
 | Philip Devereux Johnston - Mechanical drawing - 1903 - 220 pages
...sides a Dodecagon. 47 A Circle is a plain figure bounded by a curved line called the Circumference, all points of which are equally distant from a point within called the Centre. 48 A Radius of a circle is a straight line drawn from the centre to the circumference.... | |
 | Fletcher Durell - Geometry, Solid - 1904 - 232 pages
...equal to one-half their sum. BOOK II. 197. A circle is a portion of a plane bounded by a curved line, all points of which are equally distant from a point within called the center. 198. A radius of a circle is a straight line drawn from the center to any point on the circumference.... | |
 | Fletcher Durell - Geometry, Plane - 1904 - 382 pages
...are supplementary. BO0K II THE CIRCLE 197. A circle is a portion of a plane bounded by a curved line, all points of which are equally distant from a point within called the center. The circumference of a circle is the curved line bounding the circle. The term circle may also be used... | |
 | Gordon Augustus Southworth, John Charles Stone - Arithmetic - 1904 - 334 pages
...20ft. and costing 3^ a pound ? There are 12 posts, costing each 1. An area bounded by a curved line, all points of which are equally distant from a point within called the center, is a circle. 2. The distance from the center to the curve is the radius, and the curve is called the... | |
 | Arthur Wesley Chase - Mechanical drawing - 1904 - 200 pages
...PQRS, in Figure 49, is a circumference. A circle is a portion of a plane bounded by a curved line, all points of which are equally distant from a point within called the center. The plane figure NPRS, Figure 49, is a circle. Any portion of a circumference is called an arc; as... | |
 | Fletcher Durell - Geometry - 1911 - 553 pages
...equilateral cone out of pasteboard. BOOK IX THE SPHERE 731. A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the center. 732, A sphere may also be defined as a solid generated by the revolution of a semicircle about its... | |
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The Radius of a sphere is a straight line drawn from the center to any point in the surface. 
