| 1871
...Euclid and Montucla have written in vain. According to their definition, the circumference of a circle **'is such, that all straight lines drawn from a certain point within the figure** ,' etc. How in the world could such a point be otherwise than ' within the figure?' IB there any such... | |
| Euclides, James Hamblin Smith - Geometry - 1872 - 349 pages
...less than a right angle. XII. A FIGURE is that which is enclosed by one or •'ore boundaries. XIII. **A CIRCLE is a plane figure contained by one line,...CIRCUMFERENCE, and is such, that all straight lines drawn** to the circumference from a certain point (called the CENTRE) within the figure are equal to one another.... | |
| Popular educator - 1872
...contained or bounded by a canal line, called the circumference or periphery, which is snch that aU **straight lines drawn from a certain point within the figure to the circumference are equal to** each other. This point Kg. 6. Fig. 7. is called the centre of the circle, and each of tho straight... | |
| Euclid - Geometry - 1872 - 261 pages
...called acute. 14. A plane figure is a plane superficies, hounded on every side by one or more lines. 15. **A circle is a plane figure, contained by one line, which is called the circumference;** to which from a certain point within the figure, all right lines drawn are equal. 16. That point is... | |
| Euclid, Charles Peter MASON - Geometry - 1872
...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 - Student teachers - 1873
...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...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 the... | |
| Lewis Sergeant - 1873
...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
...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... | |
| Edward Atkins - 1874
...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
...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... | |
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