 | Euclides - 1881 - 236 σελίδες
...figurca, u well u to plane figures XV. A circle is a plane figure contained [or, bounded] by •>ae line, which is called the circumference, and is such...figure to the circumference, are equal to one another. The circumference of a circle ie its boundary. The space contained within the boundary, \s called the... | |
 | 1882 - 676 σελίδες
...that superficies. An obtuse angle is that which is greater than a right angle. A circle is a plane figure contained by one line which is called the circumference, and is such that all straight lines drawn from я certain point (called the centre) within the figure to the circumference are equal to one another.... | |
 | James McCosh - 1882 - 472 σελίδες
...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... | |
 | Marianne Nops - 1882 - 278 σελίδες
...the definition of a circle (def. 15). It is to the latter part that I wish to draw your attention, ' and is such that all straight lines drawn from a certain point (the centre) within the figure to the circumference are equal.' Here is a mode of measuring the lines... | |
 | Euclid, Isaac Todhunter - 1883 - 428 σελίδες
...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, which is called the...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 lino... | |
 | Euclides - 1883 - 176 σελίδες
...that of an angle, which is one not " enclosed." 11. A circle is a plane figure bounded by one line called the circumference, and is such that all straight...figure to the circumference are equal to one another. 12. This point is called the centre of the circle. A radius is a straight line from the centre to the... | |
 | Mathematical association - 1883 - 86 σελίδες
...in that surface. DEF. 7. A plane figure is a portion of a plane surface enclosed by a line or lines. straight lines drawn from a certain point within the...figure to the circumference are equal to one another. This point is called the centre of the circle. DEF. 9. A radius of a circle is a straight line drawn... | |
 | William Dodds - 1883 - 198 σελίδες
...THE CIRCUMFERENCE AND DIAMETER OF A CIRCLE. 96. A Circle is a plane figure bounded bj a curved line called the circumference, and is such that all straight lines drawn from a point within the figure to the circumference are equal, and this point is called the centre of the... | |
 | Euclides - 1884 - 214 σελίδες
...1. A straight line may be drawn from any one point to any other. Definition 15. A circle is a plane figure contained by one line, which is called the...figure to the circumference are equal to one another. Axiom 1. Magnitudes which are equal to the same magnitude are equal to one another. Definition 24.... | |
 | Euclides - 1884 - 182 σελίδες
...the word ' area ' used for, and what does ' figure ' then mean ? 8. CIRCLES. 15. A circle is a plane figure contained by one line, which is called the...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... | |
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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 : XVI. 
