| Thomas Curtis - 1829
...called the radii of the circle. The circumference itself is also often called a circle. Fig. 20. 31. **The DIAMETER of a circle is a straight line passing through the centre, and** terminated both ways by the circumference. 32. An ARC of a circle is any part of its circumference.... | |
| Ireland commissioners of nat. educ - 1834
...of each figure be equal, it is called a regular polygon ; but if unequal, an irregular polygon. 34. **The Diameter of a circle is a straight line passing through the centre, and** terminated by the circumference ; thus AB is the diameter of the circle. The diameter divides the circle... | |
| Luke Hebert - 1835
...straight line drawn from the vertex of a figure to the middle of the base. The axis of a circle or sphere **is a straight line passing through the centre, and terminating at the** circumference on the opposite sides. The axis of a cone is the line from the vertex to the centre of... | |
| Luke Hebert - 1836
...straight line drawn from the vertex of a figure to the middle of the base. The axis of a circle or sphere **is a straight line passing through the centre, and terminating at the** circumference on the opposite sides. The axis of a cone is the line from the vertex to the centre of... | |
| 1837 - 262 sider
...of each figure be equal, it is called a regular polygon ; but if unequal, an irregular polygon. 34. **The Diameter of a circle is a straight line passing through the centre, and** terminated both ways by the circumference ; thus AB is the diameter of the circle. The diameter divides... | |
| Charles Davies - 1840 - 252 sider
...of which are equally distant from a certain point within, called the centre. Thus, if all the points **of the curve AEB are equally distant from the centre C, this curve will be the circumference of a** circle. 7. The circumference of a circle is used for the measurement of angles. For this purpose it... | |
| J. M. Scribner - 1844 - 123 sider
...is equally distant from a certain point within, called the centre ; J1EBD (fig. 1) is a circle. 2. A **Diameter of a circle is a straight line, passing through the centre and terminating at the** circumference ; as AB (fig. 1.) 3. A Radius or Semi-Diameter is a straight line, extending from the... | |
| Charles Davies - 1846 - 240 sider
...of which are equally distant from a certain point within, called the centre. Thus, if all the points **of the curve AEB are equally distant from the centre C, this curve will be the circumference of a** circle. 25. For what is the circumference of a circle used ? The circumference of a circle is used... | |
| James S. Russell - 1847 - 330 sider
...equally distant from the centre. 32. The circumference of a circle is the curved line enclosing it. 33. A **diameter of a circle is a straight line passing through the centre and** terminated by the- circumference. 34. A radius is a straight line extending from the centre o the circumference... | |
| Charles Davies - 1850 - 216 sider
...of which are equally distant from a certain point within called the centre. Thus, if all the points **of the curve AEB are equally distant from the centre C, this curve will be the circumference of a** circle. 25. Any portion of the circumference, as AED, is called an arc. 26. The diameter of a circle... | |
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