 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.  The Elements of Plane Geometry ... - 70 ページAssociation for the improvement of geometrical teaching 著 - 1884全文表示 - この書籍について
 | John Playfair - 1837 - 332 ページ
...contained in a figure, without any reference to the nature of the line or lines which bound it. 11. A circle is a plane figure contained by one line,...circumference, and is such that all straight lines drawn from a certaia point within the figure to the circumference, are equal to one another. 12. And this point... | |
 | Euclid, James Thomson - 1837 - 410 ページ
...rliomboid is a parallelogram which has not its adjacent sides equal, nor its angles right angles. 30. A circle is a plane figure contained by one line,...called the circumference, and is such that all straight Q y lines drawn from a certain point within the figure to K/^>~^0 the circumference are equal to one... | |
 | James Thomson (LL.D.) - 1837 - 296 ページ
...line passing through two of its remote angles. XVII. A CIRCLE is a figure contained on a flat surface, by one line which is called the CIRCUMFERENCE; and is such that all straight lines drawn to the circumference from a certain point within the figure, called the CENTRE, are equal to each other.... | |
 | Euclides - 1838 - 264 ページ
...is less than a right angle. XI. A figure is that which is enclosed by one or more boundaries. XII. A circle is a plane figure contained by one line,...drawn from a certain point within the figure to the circum ference, are equal to one another. XIII. And this point is called the centre of the circle,.... | |
 | Euclides - 1841 - 378 ページ
...the extremity of anything." XIV. A figure is that which is enclosed by one or more boundaries. XV. A circle is a plane figure contained by one line,...figure to the 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... | |
 | John Playfair - 1842 - 332 ページ
...contained in a figure, without any reference to the nature of the line or lines which bound it.m 1 1 . A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another . 12. And this point is called the centre of the circle. 13. A diameter of a circle is a straight line... | |
 | Euclides - 1842 - 316 ページ
...is less than a right angle. XIV. A figure is that which is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line which...figure to the circumference are equal to one another. XVL This point is called the centre of the circle. XVII, A diameter of a circle is a straight line... | |
 | T H. Howe - 1842 - 458 ページ
...taken and joined by a straight line, the straight line will lie altogether in that surface or plane. FA Circle is a plane figure, contained by one line which...figure to the circumference, are equal to one another. c That point within the circle which is thus equally distant from the circumference, is called the... | |
 | William Pease - 1843 - 80 ページ
...&c. ; but geometrically, that only is a figure, which has either superficial or solid content. XV. A circle is a plane figure contained by one line,...figure to the circumference, are equal to one another. XVI. And this point is called the centre of the circle. A circle is the superficies or space enclosed... | |
 | Euclid - 1845 - 218 ページ
...the extremity of any thing." XIV. A figure is that which is inclosed by one or more boundaries. XV. A circle is a plane figure contained by one line,...figure to the 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... | |
| |
