 | Lewis Sergeant - 1873 - 182 pages
...the straight lines drawn from the centre to the circumference are called radiuses.t 36. A diameter of a circle is a straight line drawn through the centre, and terminated both, ways by the circumference. 37. "When a parallelogram is subdivided into four parts by straight lines parallel to the sides and... | |
 | Euclides - 1874 - 342 pages
...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 drawn through the centre...diameter, and the part of the circumference cut off by ths diameter. 19. The centre of a semicircle is the same with that of the circle. 20. Rectilineal figures... | |
 | Walter Smith - Blackboard drawing - 1879 - 388 pages
...the opening of the compasses with which the circle was struck. Diameter of a Circle — -A diameter of a circle is a straight line drawn through the centre* and touching the circumference on both sides. (.See p. 107.) Thus the diameter is double the radius. It... | |
 | Association for the improvement of geometrical teaching - Geometry, Modern - 1876 - 66 pages
...radius of a circle is a straight line drawn from the centre to the circumference. DEF. io. h. diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. [An angle is a simple concept incapable of definition, properly so called, but the nature of the concept... | |
 | Robert Potts - Geometry, Plane - 1876 - 446 pages
...straight line drawn through the center, and terminated both ways by the circumference. . • -. . xvin. A semicircle is the figure contained by a diameter and the part *f the circumference cut on by the diameter. XIX. The center of a semicircle is the same with that... | |
 | Isaac Todhunter - 1877 - 442 pages
...circle. A radius of a circle is a straight line drawn from the centre to the circumference. A diameter of a circle is a straight line drawn through the centre and terminated both ways by the circumference. An arc of a circle is any part of the circumference. 20. In Arts. 15. ..19 we have spoken of certain... | |
 | Euclides - 1877 - 58 pages
...extremity of anything ; and a figure is that which is inclosed by one or more boundaries. 25. A diameter of a circle is a straight line drawn through the centre, and terminated both ways liy the circumference. 26. A semicircle is a figure contained by a diameter and the part of the circumference... | |
 | Isaac Todhunter - Philosophy - 1877 - 452 pages
...radius of a sphere is a straight line drawn from the centre to the surface. A diameter of a sphere is a straight line drawn through the centre and terminated both ways by the surface. A sphere is sometimes called a globe : marbles and billiard balls are familiar examples of... | |
 | James Maurice Wilson - 1878 - 450 pages
...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 and terminated both ways by the circumference. Def. ir. When two straight lines are drawn from the same point, they are said to contain, or to make... | |
 | Āryabhaṭa - 1878 - 100 pages
...: Prop. 1. is a circle.] VII. And this point is called the centre of the circle. VIII. [A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumfer|nce. The straight line AC in figure : Prop. 1. is a diameter.] IX. A radius is a straight... | |
| |
A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference. 
