 | Elias Loomis - Conic sections - 1858 - 256 pages
...THE CIRCLE, 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... | |
 | Dana Pond Colburn - 1858 - 288 pages
...the top of the spire ? 143. Solids. (a.) A SPHERE is a solid bounded by a curved surface, every part of which is equally distant from a point within, called the centre. (Fig. 1, p. 240.) (b.) A line drawn from the centre of a circle to the surface is called a RADIUS,... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 472 pages
...ft., nearly. SPHERES, SPHEROIDS, &c. 660> A sphere is a solid, bounded by a curved surface, every part of which is equally distant from a point within, called the centre. The axis or diameter of a sphere is a line passing through the centre, and terminated by the surface... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 458 pages
...28 rods 24 yards 6.347 feet. CIRCLES. 627. A circle is a plane figure bounded by aline, every part of which is equally distant from a point within called the centre ; as AEFGBD. The circumference or periphery of a circle is the line that bounds it. A radius is a line... | |
 | William E. Bell - Bridges - 1859 - 226 pages
...which have like positions in similar polygons. 34. The circumference of a circle is a curved line, every point of which is equally distant from a point within, called the centre. 35. The circle is the surface bounded by the circumference. 36. A radius of a circle is a straight... | |
 | Isaac Todhunter - Spherical trigonometry - 1859 - 156 pages
...Polyhedrons 96 XIII. Miscellaneous Propositions ...... 104 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... | |
 | Anthony Nesbit - Measurement - 1859 - 494 pages
...axis or diameter of the sphere ; or it is a solid bounded by one continued convex surface, every part of which is equally distant from a point within, called the centre. . 14. The segment of a sphere is any part of it cut ofF by a plane. If the plane pass through the centre,... | |
 | Elias Loomis - Calculus - 1859 - 320 pages
...cos. v, y=r sin. v. SECTION IT. 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... | |
 | George Payn Quackenbos - Physics - 1860 - 468 pages
...one that changes its direction at every point; as, G H. 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 U the curve that bounds... | |
 | Dana Pond Colburn - Arithmetic - 1860 - 388 pages
...straight line all the way ? 23O. Solids. (a.) A SPHERE is a solid bounded by a curved surface, every part of which is equally distant from a point within, called the centre. (6.) A line drawn from the centre to the surface is called a RADIUS, and a line drawn from any point... | |
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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. 
