 | Leonard Dunnell Gale - Physics - 1838 - 280 pages
...from h to b it will appear retrograde, and from 6 to c it will again appear stationary. Fig. 3. XV. A circle is a plane figure bounded by a curved line, called the circumference, every part of which is equally distant from the centre. XVI. The diameter of a circle is a line drawn... | |
 | John Lauris Blake - Astronomy - 1838 - 160 pages
...point of the heavens. | •See Fig. 5, Plate VI. 1 See Fig. 7, Plate VI. I 6 FIRST BOOK IN ASTRONOMY. A circle is a plane figure bounded by a curved line, called the cir cumference, every part of which is equally distant from the centre. The diameter of a circle is... | |
 | Benjamin Greenleaf - Arithmetic - 1839 - 356 pages
...When both these are equal, it is a regular figure. 44. A circle is a plane figure, bounded by a curve line, called the circumference, which is every where equidistant from a certain point, called its centre. The circumference itself is often called a circle, and also the periphery. 45. The... | |
 | Benjamin Greenleaf - Arithmetic - 1841 - 334 pages
...When both these are equal, it is a regular figure. 44 A circle is a plane figure, bounded by a curve line, called the circumference, which is every where equidistant from a certain point, called its centre. The circumference itself is often called a circle, and also the periphery. 45. The... | |
 | Roswell Chamberlain Smith - Arithmetic - 1842 - 320 pages
...entire distance round it; and is found by adding together all the sides that bound it. Fig. 14. 34. A CIRCLE is a plane figure bounded by a curved line, called the Circumference or Periphery ; which is every where equally distant from a certain point within it. called the CENTRE.... | |
 | Samuel Maunder - Encyclopedias and dictionaries - 1843 - 914 pages
...the perpendicular distance from the vertex to the base. A circle a plane figure bounded by a curve line, called the circumference, which is every where equidistant from a certain point within, called its centre; the radius of a circle is a line drawn from the centre to the circumference; the... | |
 | Roswell Chamberlain Smith - Arithmetic - 1843 - 320 pages
...figure, is the entire distance round it; and is found by adding together all the sides that bound it. 34. A CIRCLE is a plane figure bounded by a curved line, called the Circumference or Periphery ; which is every where equally distant from a certain point within it, called the CENTRE.... | |
 | John Thomas Crossley - 1845 - 336 pages
...it is equiangular when all its angles are equal. When both these are equal, it is a regular figure. A Circle is a plane figure bounded by a curved line,...Circumference, which is every where equidistant from a point within, called its Centre. The circumference is sometimes called the Periphery. The Radius of... | |
 | Robert Griffith Hatfield - Architecture - 1845 - 326 pages
...undecagon eleven ; and a dodecagon twelve sides. Fig. 17. Fig. 18. Fig. 19. Fig. 20. 47.— A circle is a figure bounded by a curved line, called the circumference...every where equi-distant from a certain point within, called its centre. The circumference is also called the periphery, and sometimes the circle. 48. —... | |
 | Joseph Guy - Astronomy - 1845 - 370 pages
...investigation of the causes of their motions, &c. A Circle is a plain figure, bounded by a uniform curve line, called the circumference, which is every where equidistant from a certain point within, called its centre, as ABCD (pi. 1. fig. 1.) The circumference itself is often called a circle, and... | |
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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. 
