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THE sphere is a solid terminated by a curve surface, all the points of which are equally distant from a point within, called the centre.
Elements of Geometry, After Legendre, with a Selection of Geometrical ... - Page 255
by Charles Scott Venable - 1881

Elements of Geometry and Trigonometry

Adrien Marie Legendre - Geometry - 1852 - 436 pages
...CIRCLE, AND THE MEASUREMENT OF ANGLES. DEFINITIONS. 1. The CIRCUMFERENCE OF A CIRCLE is a curve line, all the points of which, are equally distant from a point within, called the centre. The circle is the portion of the plane terminated by the circumference. 2. Every straight line, drawn from...

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

Charles Davies - Geometry - 1854 - 436 pages
...CIRCLE, AND THE MEASUREMENT OF ANGLES. DEFINITIONS. 1. The CIRCUMFERENCE OF A CIRCLE is a curve line, all the points of which are equally distant from a point within, called the centre. The circle is the portion of the plane terminated by the circumference. 2. Every straight line, drawn from...

Plane and Solid Geometry: To which is Added Plane and Spherical Trigonometry ...

George Roberts Perkins - Geometry - 1856 - 460 pages
...COMBINATION WITH THE STRAIGHT LINE. DEFINITIONS. I. The circumference of a circle is a curved line, all the points of which are equally distant from a point within called the centre. The circle is the space bounded by the circumference. II. Any straight line drawn from the centre to the...

New University Arithmetic: Embracing the Science of Numbers, and Their ...

Charles Davies - Arithmetic - 1856 - 452 pages
...diameter is 14 ? 4. How many square yards in a circle whose diameter is feet? 340. A sphere is a figure terminated by a curved surface, all the points of which are equally distant from a certain point within, called the centre. The line AD, passing through its centre C, is called the diameter...

Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

Adrien Marie Legendre - Geometry - 1857 - 444 pages
...is said to be inscribed in the cone. The cone is also said to be circumscribed about the pyramid. 9. The SPHERE is a solid terminated by a curved surface,...point within, called the centre. The sphere may be generated by the revolution of a semicircle DAE, about its diameter DE : for, the surface described...

Cornell's High School Geography: Forming Part Third of a Systematic Series ...

Sarah S. Cornell - Geography - 1857 - 422 pages
...a Clrele. — A Circle is a plane figure bounded by one continuous line, called its circumference ; all the points of which are equally distant from a point within called the centre of the circle. Thus, in the adjoining figure, if the points A, D, E, and B are equally distant from...

Burnham's Arithmetic, Revised: A New System of Arithmetic, on an Improved ...

Charles Guilford Burnham - Arithmetic - 1857 - 328 pages
...base. 8. A sphere is a solid, bounded by one continued convex surface, every point of wliich 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 remains fixed. A hemisphere...

A New System of Arithmetic, on an Improved Plan, Embracing the Rules of ...

Charles Guilford Burnham - 1857 - 336 pages
...base. 8. A sphere is a solid, bounded by one continued convex surface, every point 01 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 remains fixed. A hemisphere...