 | Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...circle is a straight line drawn through the centre, and terminated both ways by the circumference. [A radius of a circle is a straight line drawn from the centre to the circumference.] 18. A semicircle is the figure contained by a diameter and the part of... | |
 | Mathematical association - 1883 - 86 pages
...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 from the centre to the circumference. DEF. 10. A diameter of a circle is a straight line drawn through the centre... | |
 | William Dodds - 1883 - 198 pages
...and this point is called the centre of the circle. ABGD is the circumference, and 0 the centre. 97. A radius of a circle is a straight line drawn from the centre to the circumference. 0 A is a radius ; 0 D and 0 G are also radii. 98. A diameter of a circle... | |
 | Association for the improvement of geometrical teaching - Geometry, Modern - 1884 - 150 pages
...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 from the centre to the circumference. DEF. 43. A diameter of a circle is a straight line drawn through the centre... | |
 | Mathematical association - 1884 - 146 pages
...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 from the centre to the circumference. DEF. 43. A diameter of a circle is a straight line drawn through the centre... | |
 | Thomas Henry Eagles - Conic sections - 1885 - 401 pages
...within the figure to the circumference are equal to one another : and this point is called the centre of the circle". A radius of a circle is a straight line drawn from the centre to the circumference, and therefore by the above definition all radii of a circle are equal.... | |
 | Thomas Henry Eagles - 1885 - 404 pages
...within the figure to the circumference are equal to one another : and this point is called the centre of the circle". A radius of a circle is a straight line drawn from the centre to the circumference, and therefore by the above definition all radii of a circle are equal.... | |
 | Henry McCormick - Geography - 1885 - 424 pages
...its circumference. Under no circumstance is the circumference a circle; nor is the circle a line. The radius of a circle is a straight line drawn from the center to any point in the circumference. The diameter of a circle is a straight line drawn through the center... | |
 | James William Nicholson - Arithmetic - 1889 - 408 pages
...degree is constant, but the degree itself varies with every change in the size of the circle. 262. The radius of a circle is a straight line drawn from the center to the circumference ; and the diameter is a straight line drawn through the center and terminated both ways by the circumference.... | |
 | Euclid - Geometry - 1892 - 460 pages
...point within the figure to the circumference are equal to one another : this point is called the centre of the circle. A radius of a circle is a straight line drawn from the centre to the circumference. 12. A diameter of a circle is a straight line drawn through the centre,... | |
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A radius of a circle is a straight line drawn from the centre to the circumference. 
