 | Nicholas Tillinghast - Geometry, Plane - 1844 - 110 pages
...EVERY line which is not straight, is called a curve line. 2. A circle is a space enclosed by a curve line, every point of which is equally distant from a point within ; which point is called the centre. 3. The boundary of a circle is called its circumference. 4. A radius... | |
 | John Lee COMSTOCK (and HOBLYN (Richard Dennis)), John Lee COMSTOCK - 1846 - 506 pages
...GLOBE. A round or spherical body, more usually called a sphere, bounded by one uniform convex surface, every point of which is equally distant from a point within, called the centre. GNOMON. An apparatus used by the ancients for finding the altitudes and declinations of the celestial... | |
 | James Robinson (of Boston.) - 1847 - 304 pages
...the figure F, the frustum of a cone. 7. 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 centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter. The... | |
 | Elias Loomis - Conic sections - 1849 - 252 pages
...III. THE CIRCLE, 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... | |
 | D. M. Knapen - Measurement - 1849 - 300 pages
...12. How many square yards in a decagon, whose side is 12 feet? Ans. 123.1072 yards. f 22. CIRCLE. The circle is a plane figure bounded by a curved line, every point or part of which is equally distant from a certain point within called the centre. The circumference,... | |
 | Benjamin Greenleaf - Arithmetic - 1849 - 336 pages
...feet high ; required the distance from one of the lower corners to an opposite upper corner. ART. 27G. A CIRCLE is a plane figure bounded by a curved line, every part of which is equally distant from a point called the centre. The circumference or periphery of... | |
 | Charles Guilford Burnham - 1850 - 350 pages
...round pyramid, having a circular base. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which... | |
 | John Weale - Architecture - 1850 - 600 pages
...the top of a bed or canopy Sphere, in geometry, a globe, a solid contained under one uniform surface, every point of which is equally distant from a point within, called the centre of the sphere, and may be conceived to be generated by the revolution of a semicircle aboui its diameter,... | |
 | Benjamin Greenleaf - Arithmetic - 1850 - 368 pages
...top terminated in a point or vertex. 8. A sphere is a solid, bounded by one continued convex surface, every point of which is equally distant from a point within, called the centre. The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which... | |
 | John Weale - 1850 - 590 pages
...the top of a bed or canopy Sphere, in geometry, a globe, a solid contained under one uniform surface, every point of which is equally distant from a point within, called the centre of the sphere, and may be conceived to be generated by the revolution of a semicircle about its diameter,... | |
| |
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. 
