| William Grier - 1836 - 344 sider
...is equiangular when all its angles are equal. When both these are equal, it is a regular figure. 45. **A Circle is a plane figure bounded by a curve line, called the Circumference,** which is everywhere equidistant from a certain point within, called its Centre. 'cumference itself... | |
| Mrs. L. H. Tyler - 1837 - 288 sider
...FIGURE 9. M (19.) DBF. 2. A circle is a plane figure, comprehended by a single curve line, called its **circumference, every part of which is equally distant from a point within, called** its centre. The enclosed surface in fig. 3, represents a circle, the curve line its circumference and... | |
| Richard Green Parker - 1838 - 213 sider
...CD, CO, CR, and CA, are radii. 2. A circle ia a perfectly round figure, every part of the outer edge **of which is equally distant from a point within, called the centre.** [See Fig. 6.] 4. The lines drawn through the centre, and terminating in both ends at the circumference,... | |
| Leonard Dunnell Gale - 1838 - 276 sider
...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 through the centre, terminated both ways... | |
| Benjamin Greenleaf - 1839 - 305 sider
...equilangular, when all its angles are equal. When both these are equal, it is a regular figure. 44. **A circle is a plane figure, bounded by a curve line, called the circumference,** which is every where equidistant from a certain point, called its centre. The circumference itself... | |
| Frederick Emerson - 1839 - 288 sider
...what is the distance of the centre from either corner ? A CIRCLE is a plane surface bounded by one **curve line, called the circumference, every part of which is equally distant from** the centre. A straight line through the ff centre of a circle is called a P diameter, and a straight... | |
| Benjamin Greenleaf - 1841 - 314 sider
...equilangular, when all its angles are equal. When both these are equal, it is a regular figure. 44 **A circle is a plane figure, bounded by a curve line, called the circumference,** which is every where equidistant from a certain point, called its centre. The circumference itself... | |
| Abraham Crocker, Richard Farley - 1841
...irregular polygon. PROBLEM XVIII CIRCLE. A circa is a plain figure, comprehended under one curve line only, **called the circumference ; every part of which is equally distant from a point** therein, called the centre. A line drawn from any point of the circumference, through the centre, to... | |
| Richard Abbatt - 1841 - 191 sider
...SPHERICAL GEOMETRY. (68.) Def. A sphere is a solid bounded on all sides by a curve surface, every point **of which is equally distant from a point within, called the centre.** A sphere may be conceived to be generated by a semicircle's revolving about its diameter, which remains... | |
| 1841 - 218 sider
...globe, or sphere. DEFINITION. — A globe or sphere is (J) a round body bounded by a surface every point **of which is equally distant from a point within called the centre;** a line passing from one side to the other through the centre is called the diameter, or axis. RULE.... | |
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