 | Isaac Todhunter - 1877 - 442 pages
...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 ways by the surface. A sphere is sometimes called a globe: marbles and billiard... | |
 | James Monteith - Alaska - 1883 - 94 pages
...place. A Sphere or Globe. A Hemisphere. 37. A sphere is a globe ; a hemisphere is half a globe. The diameter of a sphere is a straight line drawn through the center, from side to side. A fence separating one farm from another is a real line ; but, without a fence or... | |
 | James William Nicholson - Arithmetic - 1885 - 348 pages
...a curved surface all points of which are equally distant from a point within called the center. The diameter of a sphere is a straight line drawn through...the center and terminated both ways by the surface. The radius is a straight line drawn from the center to the surface. 495. PRINCIPLE. — The surface... | |
 | Henry McCormick - Geography - 1885 - 424 pages
...? 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 and terminating in the surface. Every section of a sphere made by a plane is a circle. If an orange be... | |
 | James William Nicholson - Arithmetic - 1889 - 408 pages
...radius of a circle is a straight line drawn from the center to the circumference ; and the diameter is a straight line drawn through the center and terminated both ways by the circumference. 263. Angular or circular measures are used in measuring angles, determining latitude... | |
 | John Macnie - Geometry - 1895 - 390 pages
...584. A radius of a sphere is any straight line drawn from the center to the surface. A diameter is any straight line drawn through the center and terminated both ways by the surface. 585. COR. All diameters of a sphere are equal. PROPOSITION V. THEOREM. 586. Every section of a sphere... | |
 | William Taylor Campbell - Geometry - 1899 - 268 pages
...which is the centre. 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 bounded at each end by the surface. Thus a diameter is equal to two radii. All the radii... | |
 | Alan Sanders - Geometry - 1903 - 396 pages
...within called the center. A radius of a sphere is a straight line drawn from the center to the surface. A diameter of a sphere is a straight line drawn through the center and terminating in the surface. A line or a plane is tangent to a sphere if it has one point and only one... | |
 | Cora Lenore Williams - Geometry - 1905 - 122 pages
...Circle. Def. 39. A straight line drawn from the center to the circumference is called a radius. Def. 40. A straight line drawn through the center and terminated both ways by the circumference is called a diameter. Prop. 11. Circles having equal radii are congruent. (Superposition.)... | |
 | Charles Westinghouse - Machine design - 1906 - 168 pages
...circumference are equal, and this point is called the center of the circle. A diameter of a circle is a straight line drawn through the center and terminated both ways by the circumference, as AC in Fig. 45. A radius is a straight line drawn from the center to the circumference,... | |
| |
A diameter of a circle is a straight line drawn through the center and terminated both ways by the circumference, as AC in Fig. 
