 | James Maurice Wilson - 1878 - 450 pages
...portion of a plane surface enclosed by a line or lines. Def. 8. A circle is a plane figure contained by one line, which is called the circumference, and...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... | |
 | Moffatt and Paige - 1879 - 428 pages
...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 circumference, and...figure to the circumference are equal to one another. 16. And this point is called the centre of the circle. 1 7. A diameter of a circle is a straight line... | |
 | Euclides - 1879 - 146 pages
...circle is a plane figure contained by one line, which is called the circumference, and is such that ? straight lines drawn from a certain point within the...figure to the circumference, are equal to one another. 1 6. And this point is called the centre of the circle. 17. A diameter of a circle is a straight line... | |
 | Isaac Sharpless - Geometry - 1879 - 282 pages
...circle is a plane figure, enclosed by one line, which is called the circumference, and is such that all lines drawn from a certain point within the figure to the circumference are equal to one another. 31. These lines are called radii, and this point is the centre of the circle. 32. A diameter of a circle... | |
 | Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...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 circumference, and...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... | |
 | Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 428 pages
...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 circumference, and...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 pages
...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 pages
...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... | |
 | Euclides - 1884 - 214 pages
...any centre, and at any distance from that centre. Definition 15. A circle is a plane figure contained by one line, which is called the circumference, and...figure to the circumference are equal to one another. Axiom 3. If equals be taken from equals, the remainders are equal. Axiom 1. Magnitudes which are equal... | |
 | Euclides - 1884 - 182 pages
...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 circumference, and...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. 
