 | Fletcher Durell - 1911 - 553 σελίδες
...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... | |
 | Gordon Augustus Southworth, John Charles Stone - 1904 - 334 σελίδες
...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... | |
 | Frederick Thomas Hodgson - 1904 - 370 σελίδες
...ellipse about either of its axes. C. A sphere is a solid, terminated by a curved surface, all the points of which are equally distant from a point within, called the center. A sphere may be described by the revolution of a semicircle about a diameter. 7. A radius of a sphere... | |
 | Fletcher Durell - 1904 - 232 σελίδες
...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.... | |
 | Erwin Herrick Schuyler, James Hixon Van Sickle - 1906 - 216 σελίδες
...altitude is 42 in. LXXXII. SPHERES 1. A sphere is a solid with a uniformly curved surface, all points of which are equally distant from a point within, called the center. 2. The diameter of a sphere is a straight line which passes through the center and ends in the surface.... | |
 | John Williston Cook, Nebraska Cropsey - 1906 - 390 σελίδες
...S. \ of the SW \ of the NWJ THE CIRCLE. 423. A Circle is a plane figure bounded by a line all points of which are equally distant from a point within called the Center. 424. Mention ten circles, such as the top of a cup, the bottom of a lamp chimney, etc. 426. Any straight... | |
 | Edward Rutledge Robbins - 1907 - 428 σελίδες
...given points. Discuss. BOOK IX THE SPHERE 700. A sphere is a solid bounded by a surface, all points of which are equally distant from a point within, called the center. The surface of a sphere is a spherical surface. A radius of a sphere is a straight line drawn from the... | |
 | Willis Ernest Johnson - 1907 - 348 σελίδες
...236, 264). The Sphere, Circle, and Ellipse. A sphere is a solid bounded by a curved surface all points of which are equally distant from a point within called the center. A circle is a plane figure bounded by a curved line all points of which are equally distant from a... | |
 | Bruce Mervellon Watson, Charles Edward White - 1908 - 432 σελίδες
...of the parallel sides. STUDY OF THE CIRCLE 575. A plane figure bounded by a curved line, all points of which are equally distant from a point within, called the center, is a circle. 576. Tfie boundary line of a circle is the circumference. 577. A straight line passing... | |
 | Prang Company - 1908 - 364 σελίδες
...(Fig. 1 14). A Circle is a plane figure bounded by a curved line called the Circumference, all points of which are equally distant from a point within called the center (Fig. 115). A Diameter of a circle is any straight line passing through the center F1G. 108 F1G. 109... | |
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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. 
