 | Charles Davies - Geometry - 1872 - 464 pages
...AND TIIK MEASUREMENT OF ANGLES DEFINITIONS. 1. A CIRCLE is a plane figure, bounded by a curved line, every point of which is equally distant from a point within, called the centre. The bounding line is called the circumference. 2. A RADIUS is a straight line drawn from... | |
 | James Bates Thomson - Arithmetic - 1872 - 234 pages
...in Astronomy. 36. What is a Circle ? A Circle is a plane figure bounded by a curve line, every part of which is equally distant from a point within called the center. 37. What is the Circumference of a Circle ? The Circumference of a Circle is the curve line by which... | |
 | William Frothingham Bradbury - Geometry - 1873 - 288 pages
...described on the diagonal of a square is double the square itself. BOOK III. THE CIRCLE. DEFINITIONS. 1 , A Circle is a plane figure bounded by a curved line...which is equally distant from a point within called the centre ; as ABD E. 2« The Badins of a circle is a line drawn from the centre to the circumference... | |
 | James Bates Thomson - Arithmetic - 1873 - 158 pages
...astronomy. 3. What is a circle ? Ans. A Circle is a plane figure bounded by a curve line, every part of which is equally distant from a point within called the center. 4. What is the circumference of a circle ? Ans. The Circumference of a circle is the curve line by... | |
 | Gerardus Beekman Docharty - Calculus - 1865 - 328 pages
...of intersection. CHAPTER II. ON THE CIRCLE. (28.) The circumference of the circle is a plane curve, every point of which is equally distant from a point within called the centre. PROPOSITION I. (29.) The equation of the circle referred to oblique axes is (xx'Y+(yy'Y±1(xx')... | |
 | Daniel W. Fish - Arithmetic - 1874 - 538 pages
...of each separately. The enm of these areas will be the area of the whole polygon. THE CIRCLE. 9O1. A Circle is a plane figure bounded by a curved line,...equally distant from a point within called the center. 902. The Diameter of a circle is a line passing through its center, and terminated at both ends by... | |
 | Daniel W. Fish - Arithmetic - 1874 - 302 pages
...of each separately. The sum of these areas will be the area of the whole polygon. THE CIRCLE. 9O1. A Circle is a plane figure bounded by a curved line,...equally distant from a point within called the center. 902. The Diameter of a circle is a line passing through its center, and terminated at both ends by... | |
 | George Payn Quackenbos - Arithmetic - 1874 - 444 pages
...contents. Ans. 3920.7168 cu. in. 691. Spheres. — A Sphere is a body bounded by a curved surface, every point of which is equally distant from a point within, called the Centre. RULES. — /. To find the surface of a sphere, multiply the square of the diameter by 3.14159.... | |
 | Adrien Marie Legendre - Geometry - 1874 - 500 pages
...cone, along lines which are called elements of contact. 12. A SPHERE is a volume bounded by a surface, every point of which is equally distant from a point within called the centre. A sphere may be generated by a semicircle revolving about its diameter as an axis. 13.... | |
 | Sir Norman Lockyer - Astronomy - 1874 - 332 pages
...magnitude that has length, breadth, and thickness. 37. A Sphere is a solid bounded by a curved surface every point of which is equally distant from a point within, called the centre. A Hemisphere is half a sphere. A Diameter of a sphere is a straight line passing through... | |
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A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center. 
