 | Association for the Improvement of Geometrical Teaching - 1888 - 208 σελίδες
...by one line, •which is called the circumference, and is such that all straight lines drawn front a certain point within the figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 2. A radius of a circle is a straight line drawn... | |
 | George William Usill - 1889 - 306 σελίδες
...circle is a plane figure contained by one line, which is called the circumference, and is such that all lines drawn from a certain point within the figure to the circumference are equal to one another. 8. Centre of Circle. — And this point is called the centre of the circle. 9. Diameter of Circle.... | |
 | Edward Mann Langley, W. Seys Phillips - 1890 - 538 σελίδες
...plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal. 16. This point is called the centre of the circle, and the straight line drawn from the centre to the... | |
 | 1894 - 330 σελίδες
...contained or bounded by one line which is called the circumference, and is such that all straight lines from a certain point within the figure to the circumference are equal to one another. This point is called the centre of the circle, as Fig. 19, o being the centre. Fig. u. Fig. 19. Fig.... | |
 | Thomas Aloysius O'Donahue - 1896 - 186 σελίδες
...contained or bounded by one line, which is called the circumference, and is such that all straight lines from a certain point within the figure to the circumference are equal to one another. This point is called the centre of the circle, as in Fig. 32, O being the centre. The radius of a circle... | |
 | Andrew Jamieson - 1897 - 362 σελίδες
...plane figure bounded by one line, which is called the circumference ; and is such, t/tat all straight lines drawn from, a certain point within the figure to the circumference are equal to one another. This point is called tlie centre of the circle. A DIAMETER of a circle is a straight line drawn through... | |
 | Seymour Eaton - 1899 - 362 σελίδες
...a plane (flat) figure contained by one line called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal. This point is called the center of the circle. 6. The radius of a circle is any straight line drawn... | |
 | Euclid, Henry Sinclair Hall, Frederick Haller Stevens - 1900 - 330 σελίδες
...plane figure bounded by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another : this point is called the centre of the circle. NOTE. Circles which have the same centre are said... | |
 | G. F. Burn - 1903 - 272 σελίδες
...plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. And this point is called the centre of the circle. In Practical Geometry, the circumference of a circle... | |
 | Euclid - 1904 - 488 σελίδες
...plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference are equal to one another ; this point is called the centre of the circle. 16. A radius of a circle is a straight line drawn... | |
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A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. 
