 | Archibald Patoun - 1734 - عدد الصفحات: 568
...Center to the Circumference; whence all Radii of the fame or equal Circles are equal. •» 15. Any Line drawn through the Center, and terminated both ways by the Circumference, is called a Diameter, as BD is a Diameter of the Circle BAD E. And the Diameter divides the Circle... | |
 | Euclid, James Williamson - 1781 - عدد الصفحات: 324
...another. 16. And the point is called the CENTER of the circle. 17. But a DIAMETER of a circle is any right line drawn through the center, and terminated both ways by the circumference of the circle: which alfo divides the circle into two equal parts. 18. Alfo A SEMI-CIRCLE is the figure... | |
 | John Playfair - 1806 - عدد الصفحات: 320
...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... | |
 | Edward Edwards - 1806 - عدد الصفحات: 414
...which fuch lines are drawn, is called the center of the circle. A 'diameter of a circle, is a ftraight line drawn through the center, and terminated both ways by the circumference. A radius is any right line, drawn from the center of the circle to the circumference, and is equal... | |
 | John Aikin - 1807 - عدد الصفحات: 442
...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.... | |
 | Euclid - 1810 - عدد الصفحات: 554
...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... | |
 | Jeremiah Day - 1815 - عدد الصفحات: 388
...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... | |
 | Daniel Cresswell - 1816 - عدد الصفحات: 352
...to one another : (2.) And this point is called the Center of the Sphere. (3.) A Diameter of a Sphere is a straight line, drawn through the center, and terminated, both ways, by the surface of the sphere. (4.) COR. The center of a sphere bisects (Art. 1, 2.) any of its diameters :... | |
 | John Playfair - 1819 - عدد الصفحات: 350
...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... | |
 | Jeremiah Day - 1824 - عدد الصفحات: 440
...any portion of the 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 Ifatlius is a straight line extending from... | |
| |
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... 
