| Adrien Marie Legendre - Geometry - 1838 - 386 pages
...THE MEASUREMENT OF ANGLES. Definitions. 1. The circumference of a circle is a curved line, all die **points of which are equally distant from a point within, called the centre. The circle is** Ihe space terminated by this curved line.* 2. Every straight line, CA, CE, CD, drawn from the centre... | |
| Adrien Marie Legendre - Geometry - 1839 - 372 pages
...Definitions, L The circumference of a circle is a curved line, all the points of which are «qually **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 from the centre to the circumference, is called a radius... | |
| Charles Davies - Geometrical drawing - 1840 - 252 pages
...What is an acute angle 1 Make one. 5. What is an obtuse angle 1 Make one. Measure. — Of Angles. 6. **The circumference of a circle is a curve line, all the points of which are equally distant from a** certain point within, called the centre. Thus, if all the points of the curve AEB are equally distant... | |
| Adrien Marie Legendre - Geometry - 1841 - 235 pages
...SECTION 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 its... | |
| James Bates Thomson - Geometry - 1844 - 237 pages
...they are right-angles. (Def. 12.) BOOK II. THE CIRCLE, AND THE MEASUREMENT OF ANGLES. DEFINITIONS. 1. **The circumference of a circle is a curve line, all...centre. The circle is the space terminated by this** curve line. Note. Care should be taken not to confound the circle with its circumference. The pupil... | |
| J. M. Scribner - Measurement - 1844 - 123 pages
...of the two ends, measured upon the surface. 10. 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.** A sphere may be described by the revolution of a semi-circle about a diameter. 11. A radius of a sphere... | |
| Nathan Scholfield - Geometry - 1845 - 506 pages
...GEOMETRY. SPHERICAL GEOMETRY. DEFINITIONS. 1 . THE sphere is a solid terminated by a curve 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 about its diameter DE;... | |
| Nathan Scholfield - 1845 - 896 pages
...GEOMETRY. SPHERICAL GEOMETRY. DEFINITIONS. 1. THE sphere is a solid terminated by a curve 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 about its diameter DE;... | |
| Nathan Scholfield - Conic sections - 1845
...GEOMETRY. SPHERICAL GEOMETRY. DEFINITIONS. 1. THE sphere is a solid terminated by a curve surface, **all the points of which are equally distant from a point within, called the centre.** G The sphere may be conceived to be generated by the revolution of a semicircle DAE about its diameter... | |
| Nathan Scholfield - Conic sections - 1845 - 244 pages
...GEOMETRY. SPHERICAL GEOMETRY. DEFINITIONS. 1. THE sphere is a solid terminated by a curve surface, **all the points of which are equally distant from a point within, called the centre.** G The sphere may be conceived to be generated by the revolution of a semicircle DAE about its diameter... | |
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