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" A circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center. "
A Textbook on Mining Engineering - Σελίδα 10
1900
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Elements of Geometry, Conic Sections, and Plane Trigonometry

Elias Loomis - 1871 - 302 σελίδες
...CIRCLE, AND THE MEASURE OF ANGLES. Definitions. 1. A circle is a plane figure bounded by a line, evory 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 a straight...

Explanatory mensuration for the use of schools

Alfred Hiley - 1871 - 184 σελίδες
...300, 0. Find the area. XI. THE CIRCLE.— THE CIRCUMFERENCE AND DIAMETER. Definitions. — A circle is a plane figure bounded by a curved line called the circumference or perimeter, and is such, that all lines drawn from the centre to the circumference are equal. AB...

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

Benjamin Greenleaf - 1871 - 350 σελίδες
...9.162-J- feet. THE SPHERE. 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 center. The Axis or Diameter of a sphere is a line passing through the center, arid terminated by the surface....

An Elementary Geometry

William Frothingham Bradbury - 1872 - 124 σελίδες
...the diagonal of a square is double the square itself. BOOK III. THE CIRCLE. DEFINITIONS. 1. A Circle is a plane figure bounded by a curved line called...which is equally distant from a point within called the centre ; as ABD E. 2. The Eadius of a circle is a line drawn from the centre to the circumference...

An Elementary Geometry and Trigonometry

William Frothingham Bradbury - 1872 - 262 σελίδες
...triangles similarly situated are similar. BOOK III. F THE CIRCLE. DEFINITIONS. 1. A Circle is a piano figure bounded by a curved line called the circumference,...which is equally distant from a point within called the centre ; as ABD E. 2. The Radius of a circle is a lino drawn from the centre to the circumference...

Treatise on Plane and Solid Geometry for Colleges, Schools, and Private Students

Eli Todd Tappan - 1873 - 288 σελίδες
...circle. Hence, the following definitions: A CIRCLE is a portion of a plane bounded by a line called a CIRCUMFERENCE, every point of which is equally distant from a point within called the CENTER. 146. Theorem — A circumference is curved throughout. For a straight line can not have more than two...

New Rudiments of Arithmetic: Combining Mental and Slate Exercises for ...

James Bates Thomson - 1872 - 234 σελίδες
...in Astronomy. 36. What is a Circle ? A Circle is a plane figure bounded by a curve line, every part of which is equally distant from a point within called the center. 37. What is the Circumference of a Circle ? The Circumference of a Circle is the curve line by which...

Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

Charles Davies - 1872 - 464 σελίδες
...AND TIIK 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...

A Practical Arithmetic: Upon the Basis of the Works of Geo. R. Perkins

George Payn Quackenbos - 1872 - 350 σελίδες
...used in connection with angles and parts of circles. 273. A Circle is a figure bounded by a curve, every point of which is equally distant from a point within, called the Centre. The Circumference of a circle is the curve that _A|bounds it. A Diameter is a straight...

An Elementary Geometry and Trigonometry

William Frothingham Bradbury - 1873 - 288 σελίδες
...the diagonal of a square is double the square itself. BOOK III. THE CIRCLE. DEFINITIONS. 1 , A Circle is a plane figure bounded by a curved line called...which is equally distant from a point within called the centre ; as ABD E. 2« The Badins of a circle is a line drawn from the centre to the circumference...




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