 | James B. Dodd - 1852 - 410 стор.
...cone — are to be understood in the same way as for a prism, and pyramid. § 412. A sphere is a solid bounded by a curved surface, all points of which are equidistant from a point within called the centre. A sphere would be described by revolving a semicircle ACB about its diameter AB — this diameter... | |
 | James B. Dodd - 1853 - 398 стор.
...cone—are to bo understood in the same way as for a prism and pyramid. §412. A sphere is a solid bounded by a curved surface, all points of which are equidistant from a point within called the centre. The radius of a sphere is a straight line drawn from the centre to any point of the surface;... | |
 | Henry Bartlett Maglathlin - 1869 - 332 стор.
...of its smaller 16 inches, how many cubic feet are there in it ? Ans. 61.228-)- cu. ft. SPHERES. 428. A Sphere is a volume bounded by a curved surface, all points of which are equally distant from a point within called the center. 429. The RADIUS of a sphere is a straight line... | |
 | Henry Bartlett Maglathlin - 1873 - 362 стор.
...of its smaller 16 inches, how many cubic feet are there in it ? Ans. 61.228+ cu. ft. SPHERES. 428. A Sphere is a volume bounded by a curved surface, all points of which are equally •.-, distant from a point within called the center. 429. The RADIUS of a sphere is a straight... | |
 | William Benjamin Smith - 1892 - 314 стор.
...a rectangle. NB By help of this important property the circle is commonly defined as a plane curve all points of which are equidistant from a point within called the centre. The common distance of all points of the circle from the centre is often called the radius.... | |
 | William Benjamin Smith - 1892 - 160 стор.
...a rectangle. NB By help of this important property the circle is commonly defined as a plane curve all points of which are equidistant from a point within called the centre. The common distance of all points of the circle from the centre is often called the radius.... | |
 | William Benjamin Smith - 1893 - 330 стор.
...a rectangle. NB By help of this important property the circle is commonly defined as a plane curve all points of which are equidistant from a point within called the centre. The common distance of all points of the circle from the centre is often called the radius.... | |
 | Henry B. Maglathlin - 1894 - 370 стор.
...of its smaller 16 inches, how many cubic feet are there in it ? Ans. 61.228+ cu. ft. SPHERES. 428. A Sphere is a volume bounded by a curved surface, all points of which are equally -rx distant from a point within called the center. 429. The RADIUS of a sphere is a straight... | |
 | 1917 - 528 стор.
...definitions need revision. The definition of a circle given in § 16 is: "A circle' is a closed curve all points of which are equidistant from a point within called the center." The circle need not be a plane figure by this definition. The definition of ratio, § 212, reads as... | |
 | Andrew Wheeler Phillips, Irving Fisher - 1897 - 374 стор.
...elements of a cone of revolution are all equal. THE SPHERE 729. Defs. — A spherical surface is a closed surface all points of which are equidistant from a point within, called the centre. 730. Defs. — A sphere is a solid bounded by a spherical surface. A radius of the sphere is... | |
| |
A circle is a closed plane curve, all points of which are equidistant from a point within called the center. 
