 | Elias Loomis - Calculus - 1851 - 296 pages
...y=r 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...bounding line is called the circumference of the circle. A radius of a circle is a straight line drawn from the center to the circumference. PROPOSITION I.... | |
 | 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... | |
 | 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
...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... | |
 | John Fair Stoddard - Arithmetic - 1868 - 428 pages
...feet? 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... | |
 | Eli Todd Tappan - Geometry - 1868 - 444 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 more than... | |
 | John Fair Stoddard - Arithmetic - 1888 - 480 pages
...altitude is 9 feet ? Ans, SFHE! R El S . 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. TJie Diameter of a sphere is a line passing through its centre and terminating in its surface. The... | |
 | Joseph Ray - Arithmetic - 1857 - 358 pages
...the square. 19. A CIRCLE is a figure bounded by a curvo line, called the circumference, every part of •which is equally distant from a point within, called the center. A DIAJIETEK is a straight line passing through the center and terminated both ways by the circumference.... | |
 | Benjamin Greenleaf - Arithmetic - 1870 - 336 pages
...equal? Ans. 13.92-|- feet. 298, A Sphere is a solid bounded by one continued convex surface, every part of which is equally distant from a point within, called the center. The Diameter of a sphere is a straight line passing through the center and terminated by the surface... | |
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A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center. 
