 | Archibald Patoun - Navigation - 1734 - 568 pages
...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 - Euclid's Elements - 1781 - 324 pages
...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... | |
 | Edward Edwards - Perspective - 1806 - 414 pages
...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 to half the... | |
 | John Playfair - Mathematics - 1806 - 320 pages
...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... | |
 | John Aikin - Geography - 1807 - 442 pages
...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 - Geometry - 1810 - 554 pages
...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... | |
 | Daniel Cresswell - Geometry - 1816 - 352 pages
...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 - Circle-squaring - 1819 - 350 pages
...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 - Geometry - 1824 - 440 pages
...periphery. An arc is 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... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
.../" i rence, are equal to one another. \ / 16. And this point is called the centre of the circle. 17- A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 1 8. A semicircle is the figure contained by... | |
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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... 
