| Adrien Marie Legendre - Geometry - 1819 - 208 pages
...THIRD. Of the Sphere. DEFTNITIONS. 437. A sphere is a solid terminated by a curved surface all the **points of which are equally distant from a point within called the centre.** The sphere may be conceived to be generated by the revolution of a semicircle I LIE (Jig. 220) about... | |
| Adrien Marie Legendre - Geometry - 1822 - 367 pages
...MEASUREMENT OF ITS ANGLES. Definitions. \ • I. The circumference of a circle is a curve line, all the **points of which are equally distant from a point within, called the centre.** The circle is the space terminated by this curve line. Note. In common language, the circle is sometimes... | |
| Anthony Nesbit, W. Little - Gaging - 1822 - 533 pages
...48. The arc of a quadrant contains 90 degrees, which is the measure of a right angle. 49. An ellipse **is a plane figure bounded by a curved line, called the circumference;** but as the figure is not a circle, it is described from two points in the loneest diameter, called... | |
| Anthony Nesbit - Measurement - 1824 - 434 pages
...regular polygon has all its sides and angles equal ; when they are unequal, the polygon is irregular. 38. **A circle is a plane figure, bounded by a curved line, called the circumference,** which is every where equi-distant from a certain po.int within it, called the centre. H 39. The diameter... | |
| Adrien Marie Legendre, John Farrar - Geometry - 1825 - 224 pages
...THIRD. • Of the Sphere. DEFINITIONS. 437. A sphere is a solid terminated by a curved surface all the **points of which are equally distant from a point within called the centre.** The sphere may be conceived to be generated by the revolution of a semicircle DAE (fig. 220) about... | |
| Adrien Marie Legendre - Geometry - 1825 - 224 pages
...P:p::A3:a3. Of the Sphere. • DEFINITIONS. 437. A sphere is a solid terminated by a curved surface all the **points of which are equally distant from a point within called the centre.** The sphere may be conceived to be generated by the revolution of a semicircle DAE (fig. 220) about... | |
| Timothy Walker - Geometry - 1829 - 129 pages
...described by the point B the circumference of a circle, which we define to be — a curved line fill the **points of which are equally distant from a point within called the centre** — . The whole space enclosed is called a circle, the moving line AB a radius, and the fixed point... | |
| Adrien Marie Legendre - Geometry - 1836 - 359 pages
...THE MEASUREMENT OF ANGLES. Definitions. 1. The circumference of a circle is a curved line, all the **points of which are equally distant from a point within, called the centre.** The circle is the space terminated by this curved line.* 2. Every straight line, CA, CE, CD, drawn... | |
| Benjamin Peirce - Geometry - 1837 - 159 pages
...CHAPTER XVIII. THE SPHERE. 415. Definition. A sphere is a solid terminated by a curved surface, all the **points of which are equally distant from a point within called the centre.** 41G. Corollary. The sphere may be conceived to be generated l,y the revolution of a semicircle, DAE... | |
| Leonard Dunnell Gale - Physics - 1838 - 276 pages
...from h to b it will appear retrograde, and from 6 to c it will again appear stationary. Fig. 3. XV. **A circle is a plane figure bounded by a curved line, called the circumference,** every part of which is equally distant from the centre. XVI. The diameter of a circle is a line drawn... | |
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