 A Circle is a plane figure bounded by a curved line, called the Circumference, all points of which are equally distant from a point within, called the Centre.  A Grammar School Arithmetic - Page 113by George Albert Wentworth - 1889 - 451 pagesFull view - About this book
 | Samuel Mecutchen - 1877 - 128 pages
...Measure is used in measuring angles, and arcs of circles, and in calculating latitude and longitude, etc. A Circle is a plane figure bounded by a curved line, called the circumference, which is every•> where the same distance from a point within, called the centre. An Arc is any portion... | |
 | George Albert Wentworth - Geometry - 1877 - 416 pages
...BOOK II. CIRCLES. DEFINITIONS. 160. DBF. A Circle is a plane figure bounded by a curved line, all the points of which are equally distant from a point within called the Centre. 161. DEF. The Circumference of a circle is the line which bounds the circle. 162. DBF. A Radius of... | |
 | Elias Loomis - Conic sections - 1877 - 458 pages
...CIRCI.E, AND THE MEASURE OF ANGI.ES. Definitions. 1. A circle is a plane figure bounded by a line, all the points of which are equally distant from a point within, called the centre. The line which bounds the circle is called its circumference. 2. Any straight line drawn from the centre... | |
 | Rolla Rouse - 1879 - 400 pages
...another and opposed angle. Thus in Fig. C 9 and 10 the lines bd and ca are severally diagonals. 19. A Circle is a plane figure, bounded by a curved line called the Circumference, which is in all parts equidistant from a point within called the Centre. Fig. C 1, abed being circumference... | |
 | Alfred Hiley - 1879 - 228 pages
...polygon ; but if the sides are unequal, or the angles unequal, then it is an irregular polygon. XXIX. A circle is a plane figure bounded by a curved line, called the circumference, and is such that all the straight lines drawn from a certain point within it to the circumference are... | |
 | Horatio Nelson Robinson - Arithmetic - 1875 - 472 pages
...of each separately. The sum of these areas will be the area of the whole polygon. THE CIRCLE. 748. A Circle is a plane figure bounded by a curved line, called the circumference, every point of which is equally distant from a point within called the center. 749. The Diameter of... | |
 | William Frothingham Bradbury - Geometry - 1880 - 260 pages
...side made by a perpendicular from the vertex of the right angle. BOOK III. THE CIRCLE. DEFINITIONS. 1. A Circle is a plane figure bounded by a curved line called the circumference, every point of which is equally distant from a point within called the centre ; as ABD E. 2. An Arc... | |
 | Joseph Ficklin - Arithmetic - 1881 - 406 pages
...any plane figure is a straight line joining the vertices of two of its angles not consecutive. 616. A Circle is a plane figure bounded by a curved line,...equally distant from a point within, called the Centre. The Radius of a circle is a straight line drawn from the centre to the circumference. The Diameter... | |
 | George Albert Wentworth - Geometry, Modern - 1881 - 266 pages
...BOOK П. CIRCLES. DEFINITIONS. 160. DEF. A Circle is a plane figure bounded by a curved line, all the points of which are equally distant from a point within called the Centre. 161. DEF. The Circumference of a circle is the line which bounds the circle. 162. DEF. A Radius of... | |
 | Charles Scott Venable - 1881 - 380 pages
...AND THE MEASUREMENT OF ANGLES. DEFINITIONS. I. The circumference of a circle is a curve line, all the points of •which are equally distant from a point •within, called the centre. The circle is the space terminated by this curved line. NB — Sometimes, in common Ianguage, the circle... | |
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