| Ira Wanzer - 1831 - 396 páginas
...every part of which is equally distant from a certain point within the circle, called the centre. The **diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** 21. An ellipse, or ellipsis, is an oval , figure, resembling a circle, only the length exceeds the... | |
| Jeremiah Day - 1831 - 155 páginas
...periphery. An arc is any portion of the circumference. A semi-circle is half, and a quadrant one fourth, **of a circle. II. A Diameter of a circle is a straight line drawn through the** center, and terminated both ways by the circumference. A Radius is a straight line extending from the... | |
| Jeremiah Day - 1831 - 370 páginas
...periphery. An arc is any portion of the circumference. A semi-circle is half, and a quadrant one fourth, **of a circle. II. A Diameter of a circle is a straight line drawn through the** center, and terminated both ways by the' circumference. A Radius is a straight line extending from... | |
| John Playfair - 1832 - 333 páginas
...to one another. XII. And this point is called the centre of the circle. XIII. Adiameter of acircle **is a straight line drawn through the centre, and terminated both ways by the circumference.** \ XIV. A semicircle is the figure contained by a diameter and the part the circumference cut off by... | |
| Tobias Ostrander - 1833 - 159 páginas
...of that circumference. A semicircle is half, and a quadrant is a quarter of a circle. The diameter **is a straight line drawn through the centre, and terminated both ways by the circumference.** PROBLEM I. To find the circumference of a circle, the diameter being given. Rule—Multiply the diameter... | |
| Thomas Perronet Thompson - 1833 - 150 páginas
...Any straight line drawn from the centre of a sphere to the surface, is called a radius of the sphere. **A straight line drawn through the centre and terminated both ways by the** surface, is called a diameter of the sphere. COB. A straight line may be described or made to pass... | |
| Euclid - 1833 - 183 páginas
...6. And this point is called the centre of the circle. See N. 17. A diameter of a circle is a right **line drawn through the centre, and terminated both ways by the circumference.** 18. A radius of a circle is a right line drawn from the centre to the circumference. 19. A semicircle... | |
| Tobias Ostrander - 1834 - 159 páginas
...of that circumference. A semicircle is half, and a quadrant is a quarter of a circle. The diameter **is a straight line drawn through the centre, and terminated both ways by the circumference.** PROBLEM I. To find the circumference of a circle, the diameter being given. Rule — Multiply the diameter... | |
| Euclid - 1835 - 513 páginas
...circumference are equal to one another. XVI. And this point is calledihe centre of the circle. XVII. **A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** XVIII. A semicircle is the figure contained by a diameter and the part of the circumference cut off... | |
| 1836 - 472 páginas
...circumference, are equal to one another. 12. And this point is called the centre of the circle. 13. **A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** 14. A semicircle is the figure contained by a diameter and the part of the circumference cut off by... | |
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