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A sphere is a solid bounded by a surface all points of which are equally distant from a point within called the centre.
A Grammar Shcool Arithmetic - Page 328
by George Albert Wentworth - 1886 - 372 pages

## A Practical Arithmetic

George Albert Wentworth - Arithmetic - 1896 - 526 pages
...12. 51,000 Ib. 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...

## The New Advanced Arithmetic

John Williston Cook, Nebraska Cropsey - Arithmetic - 1896 - 454 pages
...nor made of planes. Such are called curved surfaces. 2. A circle is a plane figure bounded by a line all points of which are equally distant from a point within called the centre. 3. The bounding line is called the circumference. Any straight line from centre to circumference is...

## Elements of Geometry

Andrew Wheeler Phillips, Irving Fisher - Geometry - 1896 - 554 pages
...angles A'O'B' and AOB coincide and are equal. Q. ED 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...

## An Advanced Arithmetic

George Albert Wentworth - 1898 - 424 pages
...diameter is 75cm makes 26 revolutions in raising the bucket ? 147. A sphere is a solid bounded by a curved surface, all points of which are equally distant from a point within called the centre. 148. A straight line drawn through the centre of a sphere, having its ends in the surface, is called...

## An Advanced Arithmetic for High Schools, Normal Schools, and Academies

George Albert Wentworth - Arithmetic - 1898 - 424 pages
...diameter is 75cm makes 26 revolutions in raising the bucket ? 147. A sphere is a solid bounded by a curved surface, all points of which are equally distant from a point within called the centre. 148. A straight line drawn through the centre of a sphere, having its ends in the surface, is called...

## An Advanced Arithmetic for High Schools, Normal Schools, and Academies

George Albert Wentworth - Arithmetic - 1898 - 424 pages
...is 75 cm makes 26 revolutions in raising the bucket ? 147. A sphere is a solid bounded by a curved surface, all points of which are equally distant from a point within called the centre. 148. A straight line drawn through the centre- of a sphere, having its ends in the surface, is called...

## A Text-book of Geometry

George Albert Wentworth - Geometry - 1898 - 462 pages
...the entire cone. BOOK VIII. THE SPHERE. PLANE SECTIONS AND TANGENT PLANES. 679. A sphere is a solid bounded by a surface all points of which are equally distant from a point called the centre. 680. A sphere may be generated by the revolution of a semicircle ACB about its diameter...

## The Essentials of Geometry (plane)

Webster Wells - Geometry - 1898 - 284 pages
...CIRCLE. DEFINITIONS. 142. A circle (O) is a portion of a plane bounded by a curve called a circumference, all points of which are equally distant from a point within, called the centre ; as ABCD. An arc is any portion of the circumference ; as AB. A radius is a straight line drawn from...