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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: With, Practical Applications - Page 231
by George Roberts Perkins - 1850 - 320 pages

## Robinson's New Higher Arithmetic: For High Schools, Academies, and ...

Horatio Nelson Robinson - Arithmetic - 1895 - 526 pages
...square, and the less 12 in. square ? SPHERES. 917. A Sphere is a solid bounded by a uniformly curved surface, all the points of which are equally distant from a point within called the center. 918. A Great Circle is any circle on a sphere whose plane passes through the center of...

## Elements of Geometry: Plane and Solid

John Macnie - Geometry - 1895 - 386 pages
...lines drawn from o to its perimeter are equal.) SPHERES. 583. A sphere is a solid bounded by a curved surface all the points of which are equally distant from a point within, called the center. Hence a sphere may be generated by the revolution of a semicircle about its diameter as...

## Mechanical Drawing: A Manual for Teachers and Students

Anson Kent Cross - Mechanical drawing - 1895 - 216 pages
...five leaf-like parts. Circle. A plane figure bounded by a curved line, called a circumference, all points of which are equally distant from a point within called the centre. The boundary line is called the CIRCUMFERENCE. DIAMETER. A straight line drawn through the centre, and...

## Elements of Geometry, Part 1

Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 276 pages
...A'O ' B' and AOB coincide and are equal. QED 20. Defs. — A circle is a figure bounded by a line all points of which are equally distant from a point within called the centre. The bounding line is called the circumference. Any portion of the circumference is called an arc. Any one...

## Elements of Geometry

Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 564 pages
...rhombus. PLANE GEOMETRY BOOK II THE CIRCLE 150* Def. — A circle is a plane figure bounded by a line, all points of which are equally distant from a point within called the centre. 151* Defs. — The line which bounds the circle is called its circumference. An arc is any part of...

## A Practical Arithmetic

George Albert Wentworth - Arithmetic - 1896 - 526 pages
...of corn. Spheres and Cones. Sphere. Cone. 267. A Sphere is a solid bounded by a curved surface all points of which are equally distant from a point within called the centre. 268. A Cone is a solid bounded by a circle called the base, and a curved surface called the lateral...

## Elements of Geometry: Plane geometry

Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 276 pages
...rhombus. PLANE GEOMETRY BOOK II THE CIRCLE 150* Def.—A circle is a plane figure bounded by a line, all points of which are equally distant from a point within called the centre. 151* Defs.—The line which bounds the circle is called its circumference. An arc is any part of a...

## An Elementary Arithmetic

George Albert Wentworth - Arithmetic - 1897 - 308 pages
...24 ft. by 21 ft. A Circle is a flat surface bounded by a curved line called the Circumference, all points of which are equally distant from a point within called the Centre. The length of the circumference of a circle is found by multiplying the length of the diameter by 22 and...

## The Elements of Geometry

Henry W. Keigwin - Geometry - 1897 - 250 pages
...when the sand has half run through ? BOOK VI. THE SPHERE. 519. DEF. A sphere is a solid bounded by a surface all the points of which are equally distant from a point within called the center. The sphere is a closed figure. 520. COR. A sphere is the locus of a semicircle revolved...

## An Algebraic Arithmetic: Being an Exposition of the Theory and Practice of ...

Silas Ellsworth Coleman - Arithmetic - 1897 - 180 pages
...through it 7.24 in. ? 106. The Sphere. A sphere is a solid bounded by a uniformly curved surface, all points of which are equally distant from a point within called the centre. A sphere is generated by a semicircle rotating about its diameter. The radius and the diameter of the...