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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.
Elements of Geometry and the First Principles of Modern Geometry - Page 34
by Wm. H. H. Phillips - 1878 - 209 pages

Commercial class book

Alfred Newsom Niblett - 1861
...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. EULE. Multiply the cube of the diameter by '5936, or the cube of the circumference by -016867, and...

Introduction to the National Arithmetic, on the Inductive System: Combining ...

Benjamin Greenleaf - Arithmetic - 1861 - 338 pages
...feet. THK SPIIERE. ART. 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....

A Natural Philosophy, Embracing the Most Recent Discoveries in the Various ...

George Payn Quackenbos - Physics - 1862 - 468 pages
...one that changes its direction at every point; as, GH. 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 is the curve that bounds...

Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1863 - 464 pages
...proportionals. BOOK III. CIRCLE, AND THE MEASUREMENT OF ANGLES. DEFINITIONS. 1. A CIRCLE is a plane figure, bounded by a curved, line, every point of which is...equally distant from a point within, called the centre. The bounding line is called the circumference. 2. A RADIUS is a straight line drawn from the centre...

The Normal Written Arithmetic: By Analysis and Synthesis, Designed for ...

Edward Brooks - Arithmetic - 1863 - 346 pages
...latitude and longitude, difference of time, etc. 203. A Circle is a plane surface bounded by a curve line, every point of which is equally distant from a point within called the centre. 204. The bounding line is called the circumference; the distance from the centre to the circumference...

Practical Arithmetic: Embracing the Science and Applications of Numbers

Charles Davies - Arithmetic - 1863 - 346 pages
...the parallel sides are 20 and 32 chains, and the perpendicular distance between them 26 chains ? 394. A 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...

A Manual of Information and Suggestions for Object Lessons, in a Course of ...

Marcius Willson - Object-teaching - 1863 - 356 pages
...quadrilaterals. A Circle is a plane figure inclosed by a single curved line, called its circumference, every part of which is equally distant from a point within, called the centre. In popular language, however, the circumference itself is often called a circle. Circular. Semicircles...

Elements of Plane Trigonometry: And Their Application to the Measurement of ...

William Frothingham Bradbury - Plane trigonometry - 1864 - 324 pages
...the altitude of IJ K L. 33. A CIRCLE is a plane bounded by a curved line, called the circumference, every point of which is equally distant from a point within, called the centre ; as ABD E. The circumference of every circle is supposed to be divided into 360 equal parts, called...