 | Sophia S. Cornell - Geography - 1861 - 414 pages
...magnitude of the radius. Definition of a Sphere.—A Sphere is a tody hounded hy one continuous surface, every point of which is equally distant from a point within called its centre. Any line drawn from the centre to the surface is called a radius. A line passing through... | |
 | George Payn Quackenbos - Physics - 1862 - 468 pages
...one that changes its direction at every point; as, GH. 4. A Circle is a figure bounded by a curve, every point of which is equally distant from a point within, called the Centre. Fig. 16 represents a circle, and E its centre. 5. The Circumference of a circle is the... | |
 | Edward Brooks - Arithmetic - 1863 - 350 pages
...latitude and longitude, difference of time, etc. 203. A Circle is a plane surface bounded by a curve line, every point of which is equally distant from a point within called the centre. 204. The bounding line is called the circumference; the distance from the centre to the... | |
 | Joseph Hutchins Colton, Charles Carroll Morgan - Geography - 1863 - 608 pages
...everywhere | equally distant from each other. 4. A CIRCLE is a plane figure, bounded by a line, every part of which is equally distant from a point •within, called the center. 5. The CIRCUMFERENCE3 OF A FLAXE FIGURE is the line which bounds it. 6. A DIAMETEJ!5 OF A PLANE FIGURE... | |
 | William Frothingham Bradbury - Plane trigonometry - 1864 - 324 pages
...triangle or quadrilateral Thus, IJ is the base and LY the altitude of IJ K L. 33. A CIRCLE is a plane bounded by a curved line, called the circumference,...which is equally distant from a point within, called the centre ; as ABD E. The circumference of every circle is supposed to be divided into 360 equal parts,... | |
 | Eli Todd Tappan - Geometry, Modern - 1864 - 288 pages
...circle. Hence, the following definitions : A CIRCLE is a portion of a plane bounded by a line called a CIRCUMFERENCE, every point of which is equally distant from a point within called the CENTER. 146. Theorem. — A circumference is curved throughout. For a straight line can not have more than... | |
 | Great Britain. Committee on Education - Education - 1864 - 332 pages
...it is equiangular when all its angles are equal. When both these are equal, it is a regular figure. A Circle is a plane figure bounded by a curved line, called the Circumference, which is every where equidistant from a point within, called its Centre. The circumference is sometimes... | |
 | Stoddard A. Felter - Arithmetic - 1864 - 430 pages
...that side produced ; as, EF, I^ier. 10. IJ I ". A Circle is a plane surface bounded by a curved line, every point of which is equally distant from a point within called the centre ; as, ABC D. 347. The Circumference of a circle is the curved line by which it is bounded... | |
 | Thomas Baker (C.E.) - 1865 - 174 pages
...round pyramid, having a circular base. 8. A sphere is a solid bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. — The sphere maybe conceived to be formed by the revolution of a semicircle about its... | |
 | Rolla Rouse - 1867 - 228 pages
...of. (18.) The diagonal is a line drawn from one angle of a right lined figure to another angle. (19.) A CIRCLE is a plane figure bounded by a curved line called the circumference, which is in all parts equidistant from a point within called the centre. Fig. 16, cafdgc. The diameter... | |
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A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center. 
