. The Decorator's assistant. Obs.—^The circumference of every circle is supposed to bedivided into 36o equal parts, called degrees; each degree into 60 equal parts, called minutes; and each nunute into6o equal parts, called seconds. These divisions are thus dis-tinguished, 30° 2Q< 15; that is, 30 degrees, 26 minutes, and15 seconds. The diameter of a circle is to its circumferencenearly as 1 to 3, more nearly as 7 to 22, more nearly as io6 to333, more nearly as 113 to 355, more nearly as 1,702 to5,347, &c. Obs.—Plane figures bounded by three right lines arecalled triangles. 30, A triangle wh
. The Decorator's assistant. Obs.—^The circumference of every circle is supposed to bedivided into 36o equal parts, called degrees; each degree into 60 equal parts, called minutes; and each nunute into6o equal parts, called seconds. These divisions are thus dis-tinguished, 30° 2Q< 15; that is, 30 degrees, 26 minutes, and15 seconds. The diameter of a circle is to its circumferencenearly as 1 to 3, more nearly as 7 to 22, more nearly as io6 to333, more nearly as 113 to 355, more nearly as 1,702 to5,347, &c. Obs.—Plane figures bounded by three right lines arecalled triangles. 30, A triangle which has its three sidesequal, is called an equilateral triangle, as a b cc. 31. A triangle which has only two sidesequal, is called an isosceles triangle, as d e
Size: 1804px × 1385px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury180, booksubjectart, booksubjectdecorationandornament
