Books Books 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. Cyclopedia of Architecture: Architectural drawing. Lettering - Page 43
1912 ## Elements of Geometry and Trigonometry from the Works of A.M. Legendre ...

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... ## New Rudiments of Arithmetic: Combining Mental and Slate Exercises for ...

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... ## An Elementary Geometry and Trigonometry

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... ## New Mental Arithmetic, for Primary Departments ...

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... ## Elements of Analytical Geometry, and of the Differential and Integral Calculus

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')... ## The Complete Arithmetic: Oral and Written

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... ## The Complete Arithmetic, Oral and Written: Second Part

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... ## A Higher Arithmetic

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.... ## Elements of Geometry and Trigonometry: From the Works of A.M. Legendre

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.... 