 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.  Lessons on the globes - الصفحة xiبواسطة T H. Howe - 1842عرض كامل - لمحة عن هذا الكتاب
 | Robert Simson - 1762 - عدد الصفحات: 488
...extremity of any thing." XIV. A figure is that which is inclofed by one or more boundaries. XV. Book I. A circle is a plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
 | Joseph Fenn - 1769 - عدد الصفحات: 524
...magnitude. A DEFINITIONS. XIV. Figure, is that which is inclofed by one or more boundaries. Fig. 10. XV. A Circle, is a plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines (CB, CD,) drawn from a certain point (C) within the figure to the circumference,... | |
 | Robert Simson - 1775 - عدد الصفحات: 534
...extremity of any thing." XIV. A figure is that which is inclofed by one or more boundaries. XV. XV. . A circle is a plane figure contained by one line, which is Called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
 | Euclid - 1781 - عدد الصفحات: 552
...any thing." At. V« A figure is that which is inclbfed by one or more boundaries XV. Book I. A cirele is a plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
 | Thomas Beddoes - 1793 - عدد الصفحات: 196
...confider fuch angles, with a view to take their relative dimenfions accurately. DEFINITION xv and xvi. A circle is a plane figure contained by one line, which is called the circumference, and is fuch, that all Jlraight lines drawn from a certain point, ivitbin the figure to the circumference,... | |
 | Euclid, John Playfair - 1795 - عدد الصفحات: 462
...is lefs than a right angle. X. A figure is that which is inclofed by one or more boundaries. XI. A circle is a plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
 | Alexander Ingram - 1799 - عدد الصفحات: 374
...XIII. Omitted. XIV. A figure is that which is inclofed by one or more boundaries. XV. XV. BOOK. I. A circle is a plane figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
 | Robert Simson - 1804 - عدد الصفحات: 530
...thing." XIV. A figure is that which is inclofed by one or more boundaries XV. Book A circle is a plain figure contained by one line, which is called the circumference, and is fuch that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
 | John Playfair - 1806 - عدد الصفحات: 320
...which is less than a right angle. X. A figure is that which is inclosed by one or more boundaries. XL A circle is a plane figure contained by one line, which...figure to the 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... | |
 | Edward Edwards - 1806 - عدد الصفحات: 414
...properties of right lines and angles, it will be neceflary to fpeak of the circle. A CIRCLE is a plain figure contained by one line, which is called the circumference, and is fuch, that all ftraight lines drawn from a certain point within the figure to the circumference, are... | |
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