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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. "
The New Normal Written Arithmetic: Designed for Common Schools, Normal ... - Σελίδα 379
των Edward Brooks - 1877 - 421 σελίδες
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Elements of Plane Geometry: For the Use of Schools

Nicholas Tillinghast - 1844 - 110 σελίδες
...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...

A manual of natural philosophy, by J.L. Comstock and R.D. Hoblyn

John Lee COMSTOCK (and HOBLYN (Richard Dennis)), John Lee COMSTOCK - 1846 - 506 σελίδες
...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...

The American Arithmetic

James Robinson (of Boston.) - 1847 - 304 σελίδες
...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...

Elements of Geometry and Conic Sections

Elias Loomis - 1849 - 252 σελίδες
...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...

Introduction to The National Arithmetic: On the Inductive System Combining ...

Benjamin Greenleaf - 1849 - 336 σελίδες
...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...

The Mechanic's Assistant: A Thorough Practical Treatise on Mensuration and ...

D. M. Knapen - 1849 - 300 σελίδες
...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,...

The National Arithmetic on the Inductive System: Combining the Analytic and ...

Benjamin Greenleaf - 1850 - 368 σελίδες
...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...

Rudimentary dictionary of terms used in architecture [&c.].

John Weale - 1850 - 590 σελίδες
...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,...

Rudimentary Dictionary of Terms Used in Architecture, Civil ..., Τόμοι 1-2

John Weale - 1850 - 590 σελίδες
...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,...

A New System of Arithmetic on an Improved Plan

Charles Guilford Burnham - 1850 - 350 σελίδες
...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...




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