| Eugene Randolph Smith - Geometry, Plane - 1909 - 424 pages
...How many sides has the polygon each of whose interior angles is six sevenths of a straight angle ? **60 equal parts called minutes, and each minute into 60 equal parts called seconds.** 73. How many degrees are there in an interior angle of a regular polygon of 15 sides? of n-sides? 74.... | |
| John William Hopkins, Patrick Healy Underwood - Arithmetic - 1912 - 406 pages
...units. The whole circumference is divided into 360 equal parts called degrees. Each degree is divided **into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.** As one degree is ^^ of any circumference, a degree on one circle is not of the same size as a degree... | |
| Glenn Moody Hobbs - 1912 - 100 pages
...protractor, Fig. 14, showing degrees and fractions of degrees, is necessary. Each degree is divided **into 60 equal parts called minutes, ', and each minute into 60 equal parts called seconds,** ". Thus to represent an angle of 23 degrees, 47 minutes, and 9 seconds, write 23° 47' 9". The relations... | |
| Claude Irwin Palmer, Charles Wilbur Leigh - Plane trigonometry - 1914 - 308 pages
...turning. The right angle is divided into 90 equal parts called degrees (°), each degree is divided **into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds** ("). Starting from any position as initial side, it is evident that, for each position of the terminal... | |
| George E. Mercer, Mabel Bonsall - Arithmetic - 1914 - 324 pages
...circumference of every circle is divided into 360 equal parts called degrees, each degree into i50 **equal parts called minutes, and each minute into 60 equal parts called seconds.** 5J^ of a circumference is called 1 degree of arc. J of a circumference, or 90 degrees, is called a... | |
| Harmon Bay Niver - Geography - 1915 - 418 pages
...matter what size it may be, is divided into 360 equal parts called degrees. Each degree is divided **into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.** The Equator and the meridian circles are called great circles, because they divide the earth into hemispheres.... | |
| Claude Irwin Palmer, Charles Wilbur Leigh - Logarithms - 1916 - 348 pages
...turning. The right angle is divided into 90 equal parts called degrees (°), each degree is divided **into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds** (")• Starting from any position as initial side, it is evident that, for each position of the terminal... | |
| Ervin Kenison - Mechanical drawing - 1916 - 44 pages
...ie, it is /A = i of a circumference. In order to obtain accurate measurements each degree is divided **into 60 equal parts called minutes and each minute into 60 equal parts called seconds.** /esi I8O Fig. 67. Angular Measurement SOLIDS A solid has three dimensions — length, breadth, and... | |
| Mechanical engineering - 1916 - 1826 pages
...MEASURE. (360 degrees = 1 revolution.) 1 degree = 1° = Ho of a right angle. The degree is usually divided **into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds** ("); while the second is subdivided decimally. But for many purposes it is more convenient to divide... | |
| Lionel Simeon Marks - Mechanical engineering - 1916 - 1918 pages
...MEAAUKE. (360 degrees - 1 revolution.) 1 degree Ie ' » of a right angle. The degree is usually divide«! **into 60 equal parts called minutes ('), and each minute into 60 equal parts called seconds** ("); while the second is subdivided decimally. Rut for many purposes it is more convenient to divide... | |
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