| Benjamin Peirce - Geometry - 1869 - 182 pages
...all the points of which are equally distant from a point within called the centre. 416. Corollary. **The sphere may be conceived to be generated by the revolution of a semicircle,** DAT& (fig. 177) about its diameter DE. 417. Definitions. The radius of a sphere is a straight line... | |
| Benjamin Greenleaf - Geometry - 1866 - 328 pages
...AND THE MEASURE OF ANGLES. DEFINITIONS. 152. A CIRCLE is a plane fig-are bounded by a curved line, **all the points of which are equally distant from a point within called the centre;** as the figure ADB E. 153. The CIRCUMFERENCE or PERIPHERY of a circle is its entire bounding line ;... | |
| George Payn Quackenbos - Physics - 1866 - 468 pages
...rectangle whose sides are equal ; , r as,IJKL, Fig. 28. , ] 22. A Sphere is a solid bounded by a curved **surface, all the points of which are equally distant from a point within called** LK the centre ; as, ABCD, Fig. 24. 28. The Axis of a sphere is a straight line passing through its... | |
| Benjamin Greenleaf - Geometry - 1868 - 338 pages
...CIRCLE, AND THE MEASURE 0F ANGLES. DEFINITIONS. 152. A CIRCLE is a plane figure bounded by a curved line, **all the points of which are equally distant from a point within called the centre;** as the figure ADB E. 153. The CIRCUMFERENCE or PERIPHERY of a circle is its entire bounding line ;... | |
| George Payn Quackenbos - Physics - 1869 - 458 pages
...is a rectangle whose sides are equal; as, IJKL, Fig. 23. 22. A Sphere is a solid bounded by a curved **surface, all the points of which are equally distant from a point within called the centre;** as, ABCD, Fig. 24. " 23. The Axis of a sphere is a straight line passing through its centre and terminating... | |
| Benjamin Greenleaf - 1869 - 516 pages
...CIRCLE, AND THE MEASURE 0F ANGLES. DEFINITI0NS. 152. A CIBCLE is a plane figare bounded by a curved line, **all the points of which are equally distant from a point within called the centre;** as the figure ADB E. 153. The CIRCUMFERENCE or PERIPHERY of a circle is its entire bounding line ;... | |
| Aaron Schuyler - Logic - 1869 - 168 pages
...surface. 2d. A real definition is a definition of a thing. Thus, a sphere is a volume bounded by a curved **surface all the points of which are equally distant from a point within.** Sd. A genetic definition is a definition exhibiting the mode of producing the thing. Thus, a sphere... | |
| Henry Bartlett Maglathlin - Arithmetic - 1869 - 332 pages
...12.64 feet ? Ans. 553.63+ sq. ft. CIRCLES. 418. A Circle is a plane figure bounded by a curved line, **all the points of which are equally distant from a point within, called** the center. The CIRCUMFERENCE is the bounding line ; as the line AEB D. The DIAMETER is any straight... | |
| William Thomas Read - Nautical astronomy - 1869 - 172 pages
...point of more than two plane angles. 5. A sphere is a solid figure whose diameters are all equal ; it **may be conceived to be generated by the revolution of a semicircle** about its diameter. 6. A great circle is one drawn upon the surface of a sphere dividing it into two... | |
| Benjamin Peirce - 1870 - 198 pages
...AND THE MEASURE OF ANGLES. 85. Definitions. The circumference of a circle is a curved Zme, all tlie **points of which are equally distant from a point within, called the centre. The** circle is the apace terminated by this curved line. Diameter, Inscribed Lines. line, as AB, ./2C, JID... | |
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