| 1882
...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 - 451 Seiten
...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
...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 - 400 Seiten
...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 - 96 Seiten
...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
...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
...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
...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
...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... | |
| Mathematical association - 1884
...between perpendiculars let fall on it from the extremities of the former. DEF. 41. A circle is a plane **figure contained by one line, which is called the...figure to the circumference are equal to one another.** This point is called the centre of the circle. DEF. 42. A radius of a circle is a straight line drawn... | |
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