| Charles Davies, William Guy Peck - Mathematics - 1857 - 608 pages
...those already mentioned, except the additional fact, that two straight lines cannot include a space. A circle is a portion of a plane bounded by a curved...which is equally distant from a point within, called the centra. The curve is called the circumference, or in common language, the circle. So that in speaking... | |
| Sarah S. Cornell - Geography - 1857 - 420 pages
...magnitude of the radius. Definition of a Sphere. — A Sphere is a hody hounded by 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 radiits. A line passing through... | |
| Benjamin Greenleaf - Arithmetic - 1857 - 336 pages
...feet. THE SPHERE. AKT. 362. A SPHERE is a solid, bounded by one continued convex 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 - 1857 - 452 pages
...28 rods 24 yards 6.347 feet. CIRCLES. 627. A circle is a plane figure bounded by a line, 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 bounds it. A radius is a line drawn... | |
| William E. Bell - Bridge building - 1857 - 250 pages
...angles are those 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... | |
| Elias Loomis - Conic sections - 1858 - 256 pages
...III. 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... | |
| 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... | |
| Charles Davies - Arithmetic - 1858 - 346 pages
...parallel sides are 20 and 32 chains, and the perpendicular distance between them 26 chains ? 323. ^ circle is a portion of a plane bounded by a curved line, called the circumference. Every point of the circumference is equally distant from a certain point... | |
| 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... | |
| 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,... | |
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