| Elias Loomis - Conic sections - 1849 - 252 pages
...within, called the center. This bounding line is called the circumference of the circle. 2. A radius of a circle is a straight line drawn from the center to the circumference. A diameter of a circle is a straight line passing through the center, and terminated both ways by the... | |
| Seba Smith - Geometry - 1850 - 214 pages
...surface is composed of straight lines. 42. A curved surface is composed of curved lines. 43. The radius of a circle is a straight line drawn from the center to the circumference ; — and because a circle has an equal extension in every direction from the center to the circumference,... | |
| Elias Loomis - Calculus - 1851 - 300 pages
...point within called the center. This bounding line is called the circumference of the circle. A radius of a circle is a straight line drawn from the center to the circumference. PROPOSITION I. — THEOREM. (33.) The equation of the circle, when the origin of co-ordi" nates is... | |
| Euclid - Geometry - 1853 - 176 pages
...CENTER of a circle is a point within the figure equally distant from its circumference. 16. A RADIUS of a circle is a straight line drawn from the center to the circumference, 17. A DIAMETER of a circle is a straight line drawn through the center and terminated both ways by... | |
| Elias Loomis - Conic sections - 1858 - 256 pages
...within, called the center. This bounding line is called the circumference of the circle. 2. A radius of a circle is a straight line drawn from the center to the circumference. A diameter of a circle is a straight line passing through the center, and terminated both ways by the... | |
| Elias Loomis - Geometry - 1871 - 302 pages
...within, called the center. This bounding line is called the circumference of the circle. 2. A radius of a circle is a straight line drawn from the center to the circumference. A diameter of a circle is a straight line passing through the center, and terminated both ways by the... | |
| Joseph Ray - Arithmetic - 1877 - 350 pages
...straight line passing through the center, and terminated, both ways, by the circumference. 27. The radius of a circle is a straight line drawn from the center to the circumference; it is half the diameter. 247. To find the area of a parallelogram (Art. 246, 18, 19, 20, 21). Rulo.... | |
| William James Milne - Arithmetic - 1877 - 402 pages
...within called the center. 563. The Circumference is the line which bounds the circle. 564. A Radius of a circle is a straight line drawn from the center to the circumference. 565. A Diameter of a circle is a straight line drawn through the center and terminating at both ends... | |
| Henry McCormick - Geography - 1885 - 424 pages
...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
...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.... | |
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