 | John Playfair - 1806 - 320 páginas
...circumference are equal to one another. XII. And this point is called the centre of the circle. XHL A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. XIV. A semicircle is the figure contained by a diameter... | |
 | John Aikin - 1807 - 442 páginas
...circumference, which is every where equally distant from a point within the figure called the centre. 2. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. 3. An arc of a circle is any part of the circumference.... | |
 | Sir John Leslie - 1809 - 542 páginas
...line its radius, and the boundary traced by the remote end of that line its circumference. 3$. The diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. It is obvious that all radii of the same circle are... | |
 | Euclid - 1810 - 554 páginas
...circumference, are equal to one another: XVI. A.nd this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained by a diameter... | |
 | Euclides - 1814 - 560 páginas
...circumference, are equal to one another. XVI. And this point is called the centre of the circle. XVII. A diameter of a circle is a straight line drawn through the See N. centre, and terminated both ways by the circumference. XVIII. A semicircle is the figure contained... | |
 | John Gummere - 1814 - 398 páginas
...radius of a circle is a straight line drawn from the centre to the circumference, as CB, Fig. 1735. The diameter of a circle is a straight line drawn through the centre, and terminated both wajs by the circumference, as AB, Fig. 17. It divides the circle into two equal... | |
 | Jeremiah Day - 1815 - 388 páginas
...circumference. A semi-circle is half, and a quadrant one fourth, of a circle. ,*., , • •('•• II. A Diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. A Radius is a straight line extending from the centre... | |
 | Sir John Leslie - 1817 - 456 páginas
...line its radius, and the boundary traced by the remote end of that line its circumference. 35. The diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. It is obvious that all radii of the same circle are... | |
 | Thomas Keith - 1817 - 306 páginas
...are equal, they are called regular polygons; if unequal, they are called irregular polygons. 34. The Diameter of a circle is a straight line drawn through the centre, and terminated by the circumference both ways ; thus AB is a diameter of th« circle. The diameter... | |
 | John Playfair - 1819 - 350 páginas
...circumference, are equal to one another. XII. And this point is called the centre of the circle. XIII. A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. « XIV. A semicircle is the figure contained by a diameter... | |
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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 : 16. And this point is called the centre... 
