| Elias Loomis - Conic sections - 1849 - 252 pages
...AND THE MEASURE OF ANGLES. Definitions. 1. A circle is a plane figure bounded by a line, every point **of which is equally distant from a point within, called the center.** This bounding line is called the circumference of the circle. 2. A radius of a circle is a straight... | |
| Elias Loomis - Calculus - 1851 - 296 pages
...sin. v. A' SECTION IV. ON THE CIRCLE. (32.) A CIRCLE is a plane figure bounded by a line, every point **of which is equally distant from a point within called the center.** This bounding line is called the circumference of the circle. A radius of a circle is a straight line... | |
| Henry Kiddle - 1854 - 154 pages
...Figure, DE is the major axis, and BG the minor axis of the ellipse. A sphere or globe is a round body, **every part of the surface of which is equally distant from a point within called** the centre. A hemisphere is a half of a globe. The diameter of a sphere is a straight line drawn through... | |
| Hiram Mattison - Astronomy - 1856 - 254 pages
...• c. i;. 18. ClBCLES AND ELLIPSES. A Circle is a plane figure, bounded by a curve line, every part **of which is equally distant from a point within called the center.** Concentric Circles are such as are drawn around a common center. The Circumference of a circle is the... | |
| Elias Loomis - Conic sections - 1858 - 256 pages
...AND THE MEASURE OF ANGLES. Definitions. 1. A circk is a plane figure bounded by a line, every point **of which is equally distant from a point within, called the center.** This bounding line is called the circumference of the circle. 2. A radius of a circle is a straight... | |
| John Williams (of Lancaster, O.) - English language - 1860 - 410 pages
...Curvilinear Figures. A CIRCLE is a plain figure bounded by a curve line called the circumference, every point **of which is equally distant from a point within called the center.** An ELLIPSE has the form of a flattened circle, and may be formed / by passing • a plane obliquely... | |
| 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... | |
| Eli Todd Tappan - Geometry, Modern - 1864 - 288 pages
...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... | |
| John Fair Stoddard - Arithmetic - 1868 - 428 pages
...Ans. 183 cu.ft. SPHERES. 514. A Sphere, or Globe is a solid, bounded by a convex surface, every point **of which is equally distant from a point within called the center. The** Diameter of a sphere is a line passing through its centre and terminating in its surface. The Radius... | |
| Henry Kiddle - Astronomy - 1868 - 300 pages
...eccentricity of the ellipse may be nearly expressed by .5. 30. A SPHERE, or GLOBE, is a round body every point **of the surface of which, is equally distant from a point within, called** the centre. 31. A HEMISPHERE is a half of a globe. 32. The DIAMETER of a sphere is a straight line... | |
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