 | John Dougall - 1810 - 554 pages
...circumference or pariphery, is equally distant from a point within it called the centre. Every right line drawn from the centre to the circumference, is called a radius, as CA, CB, CH, and CD, in fig. 22 ; and any right line passing through the centre, and terminated both... | |
 | Pierre Simon de Marquis Laplace, Thomas Young - Celestial mechanics - 1821 - 372 pages
...DEFINITION. The point, equally distant from the circumference, is called the centre. 68. DEFINITION. Any straight line, drawn from the centre to the circumference, is called a radius. 69. DEFINITION. The term circle also often implies the circumference, and not the circular surface.... | |
 | James Thomson - 1827 - 1012 pages
...diameter of a circle is to its circumference nearly as 113 to 355, or more nearly as 1 to S'141593. A straight line drawn from the centre to the circumference, is called a radius, and is evidently half the diameter. Names of the Planets, Sfc. — The primary planets are Mercury,... | |
 | Charles Reiner - Geometry - 1837 - 246 pages
...the centre of a circle, and terminated, each way, by the circumference, is called a diameter ; and a straight line drawn from the centre to the circumference, is called a radius. — When circles are equal, what may be said of their diameters, and what of their radii ? If circles... | |
 | Charles Reiner - Geometry - 1837 - 254 pages
...through the centre of a circle, and terminated, each way, by the circumference, is called a diameter; and a straight line drawn from the centre to the circumference, is called a radius.—When circles are equal, what may be said of their diameters, and what of their radii ? If... | |
 | William Chambers, Robert Chambers - Encyclopedias and dictionaries - 1842 - 938 pages
...surface of a sphere ia equalh; dotant from a point in the middle of the sphere allai: its centre ; any line drawn from the centre to the circumference is called a radius, aud any line drawij through the centre, and terminated at both extrem::;-* by the circumference, is... | |
 | Alpheus Crosby - Geometry - 1847 - 190 pages
...within called the centre. This line is called the circumference, and parts of it are called arcs. A line drawn from the centre to the circumference is called a radius. All radii, from the very definition of the circle, are equal. 3. Every problem should not only be performed,... | |
 | Adrien Marie Legendre - Geometry - 1852 - 436 pages
...called the centre. The circle is the portion of the plane terminated by the circumference. 2. Every straight line, drawn from the centre to the circumference, is called a radius, or, semidiameter. Every line which passes through the centre, and is terminated, on both sides, by... | |
 | Charles Davies - Geometry - 1854 - 436 pages
...called the centre. The circle is the portion of the plane terminated by the circumference. 2. Every straight line, drawn from the centre to the circumference, is called a radius, or, semidiameter. Every line which passes through the centre, and is terminated, on both sides, by... | |
 | William Somerville Orr - Science - 1854 - 534 pages
...the circumference, are equal to one another. This point is called the centre of the circle. And any line drawn from the centre to the circumference is called a radius of the circle. xrv. A diameter of a circle is a straight line drawn through the centre, and terminated... | |
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Circle is a plane figure bounded by a curved line called a circumference, every point of which is equally distant from a point within called the centre. 
