 | 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 curve that bounds... | |
 | Edward Brooks - Arithmetic - 1863 - 350 pages
...3 feet? J. • -, Ant. 5277.888cu. ft. THE SPHERE. X 503. A Sphere is a volume bounded by a curved surface, every point of which, is equally distant from a point within called the centre. 504. The diameter of a sphere is a line passing through its centre and ending in the surface. The radius... | |
 | Adrien Marie Legendre - Geometry - 1863 - 464 pages
...AND THE MEASUREMENT OF ANGLES. DEFINITIONS. 1. A CIRCLE is a plane figure, bounded by a curved, line, every point of which is equally distant from a point within, called the centre. The bounding line is called the circumference. 2. A RADIUS is a straight line drawn from the centre... | |
 | Isaac Todhunter - Spherical trigonometry - 1863 - 182 pages
...Numerical Solution of Spherical Triangles .... 123 I. GREAT AND SMALL CIRCLES. 1. A SPHERE is a solid bounded by a surface every point of which is equally distant from a fixed point which is called the centre of the sphere. The straight line which joins any point of the... | |
 | Marcius Willson - Object-teaching - 1863 - 356 pages
...quadrilaterals. A Circle is a plane figure inclosed by a single curved line, called its circumference, every part of which is equally distant from a point within, called the centre. In popular language, however, the circumference itself is often called a circle. Circular. Semicircles... | |
 | William Frothingham Bradbury - Plane trigonometry - 1864 - 324 pages
...the altitude of IJ K L. 33. A CIRCLE is a plane bounded by a curved line, called the circumference, every point of 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, called... | |
 | 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 ; as, ABC... | |
 | Eli Todd Tappan - Geometry, Modern - 1864 - 288 pages
...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... | |
 | George Augustus Walton - Arithmetic - 1864 - 376 pages
...lines op in the figures.) 448. A Globe or Sphere is a solid bounded by a curved surface, every part of which is equally distant from a point within called the centre. SOLIDITIES AND CONVEX SURFACES. 449. The Solidity of a Parallelepiped equals theproduct of ils three... | |
 | George Augustus Walton - Arithmetic - 1864 - 364 pages
...geography, navigation, and surveying. 184. A Circle is a plane surface bounded by a line, every part of which is equally distant from a point within called the centre. 185. The bounding line is called the Circumference of the circle. Any part of the circumference is... | |
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A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center. 
