 | James B. Dodd - Arithmetic - 1852 - 410 pages
...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 pages
...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;... | |
 | George Augustus Walton - Arithmetic - 1864 - 364 pages
...and whose convex surface tapers uniformly to a point called the vertex. 444. The Frustum of a Pyramid or Cone is that which remains after cutting off the upper part by a plane parallel to the base. 445. The Height of any of the solids here defined is the perpendicular... | |
 | George Augustus Walton - Arithmetic - 1864 - 376 pages
...and whose convex surface tapers uniformly to a point called the vertex. 444. The Frustum of a Pyramid or Cone is that which remains after cutting off the upper part by a plane parallel to the base. 445. The Height of any of the solids here defined is the perpendicular... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1869 - 332 pages
...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 - Arithmetic - 1873 - 362 pages
...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... | |
 | George Augustus Walton - 1876 - 358 pages
...and whose convex surface tapers uniformly to a point called the vertex. 444. The Frustum of a Pyramid or Cone is that which remains after cutting off the upper part by a plane parallel to the base. 44»5. The Height of any of the solids here defined is the perpendicular... | |
 | Frank Eugene Kidder - Architecture - 1886 - 640 pages
...ditimeter, is a line drawn through the centre. at right angles to the long diameter. A frustum of a pyramid or cone is that which remains after cutting off the...the base. A sphere is a volume bounded by a curved sin-face, all points of which are equally distant from a point within, called the centre. treats of... | |
 | Frank Eugene Kidder - Architecture - 1892 - 1032 pages
...diameter, is a line drawn through the centre, at right angles to the long diameter. A frustum of a pyramid or cone is that which remains after cutting off the...bounded by a curved surface, all points of which are equally distant from a point within, called the centre. treats of the measurement of lines, surfaces,... | |
 | William Benjamin Smith - Geometry, Modern - 1892 - 314 pages
...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.... | |
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A circle is a closed plane curve, all points of which are equidistant from a point within called the center. 
