 | Euclid, Charles Peter MASON - 1872 - 216 sider
...XII. An acute angle is an angle which is less than a right angle. Def. XV. A circle is a plane bounded figure, contained by one line, which is called the circumference, and is such, that every point in it is at the same distance from a certain point within, which is called the centre.... | |
 | Henry Major - 1873 - 592 sider
...more boundaries. , XV. A circle is a plane figure contained by one line, called the circumference, such that all straight lines drawn from a certain...figure to the circumference are equal to one another. XVI. This point is called the centre. XVII. A diameter of a circle is a straight line drawn through... | |
 | Lewis Sergeant - 1873 - 182 sider
...figures, are limited by more than four straight lines. 34. A circle is a figure contained by one line, called the circumference, and is such that all straight lines drawn from a certain point within the circle to the circumference are equal to each other. 35. This point is called the centre of the circle;... | |
 | Euclides - 1874 - 120 sider
...is the extremity of any thing. 14. A figure is that which is enclosed by one or more boundaries. 15. A circle is a plane figure contained by one line,...figure to the circumference 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... | |
 | Euclides - 1874 - 342 sider
...is the extremity of any thing. 14. A figure is that which is inclosed by one or more boundaries. 16. A circle is a plane figure contained by one line,...figure to the circumference, 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... | |
 | Edward Atkins - 1874 - 424 sider
...is the extremity of anything. 14. A figure is that which is enclosed by one Or more boundaries. 15. A circle is a plane figure contained by one line,...figure to the circumference are equal to one another. 16. And this point is called the centre of the circle, [and any straight line drawn from the centre... | |
 | Euclides - 1874 - 234 sider
...sides are equal, but its angles not right angles. 30. A circle is a plane figure contained by one line called the circumference; and is such that all straight lines drawn from a certain point within it to the circumference are equal to one another. This point is called the centre of the circle. 31.... | |
 | Francis Cuthbertson - 1874 - 400 sider
...equilateral triangle is one which has all its sides equal. A circle is a plane 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. That point is called the centre of the circle, and... | |
 | James McCosh - 1874 - 484 sider
...any length in a straight line ;" " There may be such a figure as a circle, that is, a plane figure such that all straight lines drawn from a certain point within the figure are equal to one another ;" and that " A circle may be described from any centre at any distance from... | |
 | Henry Lewis (M.A.) - 1875 - 104 sider
...Nonagon. 1-3737 6-1818 10 Decagon. 1-5388 7-6942 11 Undecagon. J -7028 9-3656 12 Duodecagou. 1-866 11-1962 A circle is a plane figure contained by one line,...circumference, and is such that all straight lines drawn from its centre to the circumference are equal to one another. The straight line drawn from the centre of... | |
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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. 
