| Jacob Abbot Cummings - 1825 - 216 sider
...illustrated by drawing a silk handkerchief over a wire circle, which will thus represent the plane. The **diameter of a circle is a straight line drawn through the centre** from one «ide of the circumference to the other. -j A semidiameter, or radius, is half of (he diameter,... | |
| George Lees - 1826 - 276 sider
...the boundary traced by the remote end of that line its circumference. ELEMENTS Book I. XIV.— The **diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference.** Cor. All radii of the same circle are equal to each other, and to a semi-diameter. XV. — A semicircle... | |
| Euclides - 1826 - 226 sider
...16. And this point is called the centre of the circle. 17. A diameter of a circle is a certain right **line drawn through the centre, and terminated both ways by the circumference** of the circle, and divides the circle into two equal parts. 18. A semicircle is the figure contained... | |
| Euclid - 1826 - 234 sider
...16. And this point is called the centre of the circle. 17. A diameter of a circle is a certain right **line drawn through the centre, and terminated both ways by the circumference** of the circle, and divides the circle into two equal parts. 18. A semicircle is the figure contained... | |
| Robert Simson - 1827 - 546 sider
...straight line drawn through SeeN. the centre, and terminated both ways by the circumference. XVIII. **A semicircle is the figure contained by a diameter...part of the circumference cut off by the diameter.** XIX. " A segment of a circle is the figure contained by a " straight line, and the circumference it... | |
| Thomas Hornby (land surveyor.) - 1827 - 318 sider
...the line A C. Hence, the radius is the line or distance that describes the circumference. i 31. The **diameter of a circle is a straight line, drawn through the centre,** cutting the figure into two equal parts ; as the line A B. 32. A semicircle is half of a whole circle;... | |
| John Playfair - 1829 - 210 sider
...circumference, and all straight lines drawn from the centre to the circumference are equal to one another. 21. **A diameter of a circle is a straight line drawn through...centre, and terminated both ways by the circumference;** and a radius is a straight line drawn from the centre to the circumference. 22. A semicircle is the... | |
| James Charlton - 1829 - 250 sider
...20. The RADIUS of a circle is a line drawn from the j - , ^. • centre to the circumference. 21. The **DIAMETER of a circle is a straight line drawn ; through the centre, and** terminating at the circumfet rence on both sides!! " 22. A SPHERE, or globe, is a perfectly round body,... | |
| Ira Wanzer - 1831 - 408 sider
...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 - 418 sider
...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... | |
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