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The radius of a sphere is a straight line drawn from the centre to any point of the surface ; the diameter or axis is a line passing through this centre, and terminated on both sides by the surface.
Elements of Geometry and Trigonometry - Page 168
by Adrien Marie Legendre - 1837 - 359 pages

## Plane and Solid Geometry

Isaac Newton Failor - Geometry - 1906 - 418 pages
...sphere. A sphere may be generated by the revolution of a semicircle about its diameter as an axis. 746 The radius of a sphere is a straight line drawn from the center to any point of the surface. The diameter of a sphere is a straight line drawn through the center...

## Cyclopedia of Architecture, Carpentry and Building: A General Reference Work...

...by a curved surface, every point of which is equally distant from a point within called the center. The radius of a sphere is a straight line drawn from the center to the surface. The diameter is a. straight line drawn through the center and having its extremities...

## New Plane and Solid Geometry

Webster Wells - Geometry - 1908 - 298 pages
...bounded by a surface, all points of which are equally distant from a point within called the centre. A. radius of a sphere is a straight line drawn from the centre to the surface ; a diameter is a straight line drawn through the centre, having its extremities in the...

## Cyclopedia of Civil Engineering: A General Reference Work on ..., Volume 1

...by a curved surface, every point of which is equally distant from a point within called the center. The radius of a sphere is a straight line drawn from the center to the surface. The diameter is a straight line drawn through the center and having its extremities...

## Cyclopedia of Architecture, Carpentry and Building: Mechanical drawing ...

Architecture - 1909
...by a curved surface, every point of which is equally distant from a point within called the center. The radius of a sphere is a straight line drawn from the 49 center to the surface. The diameter is a straight line drawn through the center and having its extremities...

## Cyclopedia of Carpentry and Contracting ...: Architectural drawing ...

Architectural drawing - 1910
...by a curved surface, every point of which is equally distant from a point within called the center. The radius of a sphere is a straight line drawn from the center to the surface. The diameter is a straight line drawn through the center and having its extremities...

## Schultze and Sevenoak's Plane and Solid Geometry

Arthur Schultze, Frank Louis Sevenoak - Geometry - 1913 - 457 pages
...which are equally distant from a point. The fixed point is called the center of the sphere. 694'. DBF. The radius of a sphere is a straight line drawn from the center to any point in the surface. 695. DBF. The diameter of a sphere is a straight line passing through...

## Schultze and Sevenoak's Plane and Solid Geometry

Arthur Schultze, Frank Louis Sevenoak - Geometry - 1918 - 457 pages
...which are equally distant from a point. The fixed point is called the center of the sphere. 694. DEF. The radius of a sphere is a straight line drawn from the center to any point in the surface. 695. DEF. The diameter of a sphere is a straight line passing through...