 | B. Marks - 1875 - 176 pages
...plane figure bounded by this curve is called a " circle." What point is at the centre of this figure ? A circle is a plane figure bounded by a curved line, all points of which are equally distant from the centre. The curved line is called a " circumference."... | |
 | Henry Bartlett Maglathlin - Arithmetic - 1876 - 230 pages
...hours in 120 minutes? days in 48 hours ? In 72 hours ? years in 365 days? E180" CIRCULAR MEASURE. 169. A Circle is a plane figure, bounded by a curved line,...which are equally distant from a point within, called the ceil- SOO-A ter. 170. The Circumference of a circle is its entire bounding line. 171. An Arc of... | |
 | Ellen Eliza Fitz - Globes - 1876 - 138 pages
...A solid has length, breadth, and thickness. 13. A sphere is a solid terminated by a curved surface, all the points of which are equally distant from a point within, called the centre. A sphere may be formed or generated by the revolution of a semicircle about its diameter.... | |
 | Aaron Schuyler - Geometry - 1876 - 384 pages
...BOOK II. I. STRAIGHT LINES AND CIRCLES. 115. Definitions. 1. A circle is a plane figure bounded by a line all the points of which are equally distant from a point within. 2. The circumference of a circle is the line which bounds the circle. 3. The center of a circle is... | |
 | Malcolm MacVicar - Arithmetic - 1876 - 412 pages
...Dec. 14th, 1799, at the age of 67 yr. 9 mo. 22 da. At what date was he born ? CIRCULAR MEASURE. 428. A Circle is a plane figure bounded by a curved line, all points of which are equally distant from a point within called the centre. 429. A Circumference is... | |
 | George Albert Wentworth - Geometry - 1877 - 416 pages
...to the middle points of the opposite sides meet in a point. BOOK П. CIRCLES. DEFINITIONS. 160. DEF. A Circle is a plane figure bounded by a curved line,...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.... | |
 | George Albert Wentworth - Geometry - 1877 - 426 pages
...opposite sides meet in a point. BOOK II. CIRCLES. DEFINITIONS. 160. DEF. A Сircle is a plane figuro bounded by a curved line, all the points of which are equally distant from a point within called the Сentre. 161. DEF. The Сircumference of a circle is the line which bounds the circle. 162. DEF.... | |
 | Elias Loomis - Conic sections - 1877 - 458 pages
...• THE 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... | |
 | Samuel Mecutchen, George Mornton Sayre - Arithmetic - 1877 - 200 pages
...divided being 12 and 16 feet respectively? CIRCLES. A Circle is a plane figure bounded by a curve, all the points of which are equally distant from a point within it, called the centre. The Circumference is the curve which bounds the circle. The Radius is any straight... | |
 | Frederic William Bardwell - Arithmetic - 1878 - 416 pages
...vertex to any point of the circumference of its base. A sphere is a body bounded by a curved surface, all the points of which are equally distant from a point within, .called a center. The diameter of a sphere is a straight Hue passing through the center of a sphere, each end... | |
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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 center; as the figure ADB E. 
