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" The radius of a sphere is a straight line, drawn from the centre to any point of the... "
Elements of Geometry: With Practical Applications ... - Page 224
by George Roberts Perkins - 1847 - 308 pages
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Elements of Geometry

Adrien Marie Legendre - Geometry - 1841 - 235 pages
...surface thus described by the curve DAE will have all its points equally distant from the centre C. 438. The radius of a sphere is a straight line drawn from the centre to a point in the surface ; the diameter or axis is a line passing through the centre, and terminated...
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Elements of Geometry: On the Basis of Dr. Brewster's Legendre : to which is ...

James Bates Thomson - Geometry - 1844 - 237 pages
...in this movement, by the curve DAE, will have all its points equally distant from the centre C. 9. The radius of a sphere is a straight line drawn from the centre to any point in the surface ; as CA, CF. The diameter, or axis, is a line passing through this centre, and terminated on both sides...
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Higher Geometry and Trigonometry: Being the Third Part of a Series on ...

Nathan Scholfield - Geometry - 1845 - 506 pages
...in this movement, by the curve DAE, will have all its points equally distant from its centre C. 2. 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...
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Elements of plane (solid) geometry (Higher geometry) and trigonometry (and ...

Nathan Scholfield - 1845 - 896 pages
...in this movement, by the curve DAE, will have all its points equally distant from its centre C. 2. 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...
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A Series on Elementary and Higher Geometry, Trigonometry, and Mensuration ...

Nathan Scholfield - Conic sections - 1845
...in this movement, by the curve DAE, will have all its points equally distant from its centre C. 2. 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...
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An Introduction to Geometry and the Science of Form: Prepared from the Most ...

Anna Cabot Lowell - Geometry - 1846 - 216 pages
...and its circumference into two equal parts, called respectively semi-circles and semi-circumferences. A straight line drawn from the centre to any point in the circumference is called a radius. Two radii drawn in directly opposite directions form a diameter....
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An Elementary Treatise on Plane and Solid Geometry

Benjamin Peirce - Geometry - 1847 - 150 pages
...generated by the revolution of a semicircle, DAE (fig. 177) about its diameter DE. 417. Definitions. The radius of a sphere is a straight line drawn from the centre to a point in tha Great and Small Circles. Poles. surface ; the diameter or axis is a line passing through...
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An elementary course of mathematics, Volume 2

Samuel Hunter Christie - 1847 - 172 pages
...angle having its angular point turned towards the interior of the figure. 2. The Radius of a circle is a straight line drawn from the centre to any point in the circumference. 3. An Arc of a circle is any portion of its circumference. 4. The Chord of an arc of...
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Elementary Course of Geometry ...

Charles William Hackley - Geometry - 1847 - 248 pages
...tant from the center O. The sector of a circle AOC at the same time generates a spherical sector. 2. The radius of a sphere is a straight line drawn from the center to any point on the surface. The diameter or axis of a sphere is a straight line drawn through...
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A treatise on plane and spherical trigonometry

Thomas Grainger Hall - Trigonometry - 1848 - 194 pages
...surface, every point of which is equidistant from a point within it, called the centre. 2. The radius is a straight line drawn from the centre to any point in the circumference. Any straight line drawn from a point in the surface, through the centre, to meet the...
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