 | Massachusetts. Board of Education - Education - 1909 - 540 pages
...STUDY OF CURVILINEAR FIGURES. CIRCLE. A circle is a plane figure bounded by a curved line, all points of which are equally distant from a point within called the center. The center of a circle is a point within the circle, equally distant from all points in the bounding line.... | |
 | Elias Loomis - Conic sections - 1849 - 252 pages
...SPHERICAL GEOMETRY. Definitions. 1. A sphere is a solid bounded by a curved surface, all the points of which are equally distant from a point within, called the center. The sphere may be conceived to be described by the revolution of a semicircle ADB, about its diameter AB,... | |
 | J. M. Scribner - Mechanical engineering - 1849 - 286 pages
...ellipse about either of its axes. 6. 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... | |
 | Joseph Ray - Arithmetic - 1857 - 348 pages
...which BV is the axis. 9. A GLOBE, or SPHERE, is a body of such a figure, that all points of the surface are equally distant from a point within, called the center. The diameter of a sphere, is a line passing through the center, and terminated both ways by the surface. The radius of a sphere... | |
 | Elias Loomis - Conic sections - 1858 - 256 pages
...SPHERICAL GEOMETRY Definitions. 1. A sphere is a solid bounded by a curved surface, all th« points of which are equally distant from a point within, called the center. The sphere may be conceived to be described by the revolution of a semicircle ADB, about its diameter AB,... | |
 | Emerson Elbridge White - Arithmetic (Commercial), 1861 - 1861 - 348 pages
...cu. ft. nearly. SPHERES. ART. 181. A sphere is a solid bounded by a curved surface, all the points of which are equally distant from a point within called the center. The diameter or axis of a sphere is a line passing through the center, and terminated each way by the surface. The... | |
 | Benjamin Greenleaf - Geometry - 1863 - 502 pages
...CIRCUMFERENCE or PERIPHERY of a circle is its entire bounding line ; or it is a curved line, all points of which are equally distant from a point within called the center. 154. A RADIUS of a circle is any straight line drawn from the center to the circumference ; as the... | |
 | Benjamin Greenleaf - Geometry - 1863 - 504 pages
...MEASURE 0F ANGLES. DEFINITIONS. 152. A CIRCLE is a plane figure bounded by a curved line, all tbe points of which are equally distant from a point within called the center; as the figure ADB E. 153. The CIRCUMFERENCE or PERIPHERY of a circle is its entire bo1inding line ;... | |
 | Joseph Ray - Arithmetic - 1857 - 358 pages
...is cut off \> ot 9. A GLOBE, or SPHERE, is a body of such a figure, that all points of the surface are equally distant from a point within, called the center. The diameter of a sphere, is a line passing through the center, and terminated both ways by the surface. The radius of a sphere... | |
 | John Fair Stoddard - Arithmetic - 1868 - 428 pages
...where they meet is called the vertex. A Circle is a plane figure bounded by a curved line, all the parts of -which are equally distant from a point within called the center (493). A circumference is the curve line which bounds a circle, and always 'contains 360 deg. An arc... | |
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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. 
