 | Isaac Todhunter - Philosophy - 1877 - 452 pages
...every point of its surface equally distant from a certain point called the centre of the sphere. A radius of a sphere is a straight line drawn from the centre to the surface. A diameter of a sphere is a straight line drawn through the centre and terminated both... | |
 | Andrew H. Baker - Arithmetic - 1878 - 204 pages
...through the centre and terminated at both ends by the surface. 3. A Ratlins is one-half the diameter, or a straight line drawn from the centre to any point of the surface. PROBLEMS. I. To find the surface of a sphere. The surface of a sphere is equal to the product of the... | |
 | Frederic William Bardwell - Arithmetic - 1878 - 416 pages
...sphere is a straight Hue passing through the center of a sphere, each end terminating in the surface The radius of a sphere is a straight line drawn from the center to the surface of the sphere. Problem. — Required to find the lateral surface of a triangular... | |
 | Joseph Ficklin - Arithmetic - 1881 - 412 pages
...Diameter of a sphere is a straight line drawn through the centre, and terminated both ways by the surface. The Radius of a sphere is a straight line drawn from the centre to the surface. 633. The Volume of a solid is the amount of space it contains. 634. The Convex Surface... | |
 | Daniel W. Fish - Arithmetic - 1883 - 364 pages
...straight line pass ing through the center of the sphere, and terminated at both ends by its surface. The radius of a sphere is a straight line drawn from the center to any point in the surface. PROBLEMS. 479. To find the convex surf, of a prism or cylinder.... | |
 | Daniel W. Fish - Arithmetic - 1883 - 348 pages
...straight line passing through the center of the sphere, and terminated at both ends by its surface. The radius of a sphere is a straight line drawn from the center to any point in the surface. PROBLEMS. 479. To und the convex surf, of a prism or cylinder.... | |
 | Charles Davies, Adrien Marie Legendre - Geometry - 1885 - 538 pages
...from a point within, called the centre. The bounding line is called the circumference. 2. A RADIU8 is a straight line drawn from the centre to any point of the circumference. 3. A DIAMETER is a straight line drawn through the centre and terminating in the circumference.... | |
 | Howard H. Gross - Astronomical models - 1885 - 104 pages
...through its center and terminating at both ends in the surface. In the cut, ab and cd are diameters. 18. The Radius of a sphere is a straight line drawn from the center to any point in the surface. In the cut, ce, fe, ae, ge and de are radii. 19. A Great Circle... | |
 | Henry McCormick - Geography - 1885 - 424 pages
...fixed point. Is it necessary in this definition to say that the "fixed point" must be within ? Why ? The radius of a sphere is a straight line drawn from the center to any point in the surface. The diameter of a sphere is a straight line drawn through the center... | |
 | Webster Wells - Geometry - 1886 - 392 pages
...curved surface, all •points of which are equally distant from a point within called the centre. A radius of a sphere is a straight line drawn from the centre to the surface, and a diameter is a straight line drawn through the centre, having its extremities in... | |
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The radius of a sphere is a straight line, drawn from the centre to any point of the surface ; the diameter, or axis, is a line passing through this centre, and terminated on both sides by the surface. 
