 | Joseph Brahdy - Blueprints - 1923 - 124 pages
...the angles just named are indicated. 39 61. Angular Measure.—For the purpose of measuring angles, the circumference of a circle is divided into 360 equal parts called degrees. An angle whose sides diverge one three-hundred-sixtieth (1/360) part of a circumference of a circle,... | |
 | Frank Moore Colby, Talcott Williams - Education - 1922 - 922 pages
...and each subdivision into 60 equal parts, thus producing the sexagesimal scale. (See NOTATION.) Thus the circumference of a circle is divided into 360 equal parts, called degrees; each degree into 00 equal parts, called minutes; and each minute into 60 equal parts, called seconds.... | |
 | Holbrook Lynedon Horton - Mathematics - 1999 - 706 pages
...between the sexigesimal and circular systems of angular measure? Answer: In the sexigesimal system the circumference of a circle is divided into 360 equal parts called degrees; so that the angle which each part subtends is equal to a degree. Each degree is divided into 60 equal... | |
| |
The circumference of a circle is divided into 360 equal parts, called degrees; each degree into 60 minutes ; each minute into 60 seconds. 
