 | Glenn Moody Hobbs - 1912 - 100 σελίδες
...angles, some device like a 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... | |
 | John William Hopkins, Patrick Healy Underwood - 1912 - 406 σελίδες
...convenient to use arc 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... | |
 | Claude Irwin Palmer, Charles Wilbur Leigh - 1914 - 308 σελίδες
...so on for any amount of 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,... | |
 | Harmon Bay Niver - 1915 - 418 σελίδες
...Divided. Every circle, no 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,... | |
 | Thomas J. Foster - 1916 - 1230 σελίδες
...the angle. For measuring angles, the circumference is divided into 360 equal parts, called degrees; each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds. Divisions smaller than a second are expressed in decimal parts of that unit; thus, 24.56". A quadrant... | |
 | Clement Mackrow - 1916 - 766 σελίδες
...right angle is supposed to be divided into 90 equal parts, each of which parts is termed a degree ; each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds. One degree 16 minutes 15 seconds or 1 a •* s 1° 16' 15", is therefore equal to 1 + T + n: or 1-271... | |
 | Nathaniel Bowditch - 1916 - 912 σελίδες
...All circles are supposed to have their circumferences divided into 360 ecjual parts, called degrees; each degree is divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds; an arc is measured by the number of degrees, minutée, and seconds... | |
 | Claude Irwin Palmer, Charles Wilbur Leigh - 1916 - 348 σελίδες
...so on for any amount of 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... | |
 | Ervin Kenison - 1916 - 44 σελίδες
...contains 45 degrees, 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... | |
 | 1917 - 550 σελίδες
...contains 45 degrees, ie, it is -^ =£ of a circumference. Li order to obtain accurate measurements each degree is divided into 60 equal parts called minutes and each minute into 60 equal parts called seconds. r:~ S7_ Angular Measurement /OS /so 39 SOLIDS A solid has three... | |
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In order to obtain accurate measurements each degree is divided into 60 equal parts called minutes and each minute is divided into 60 equal parts called seconds. 
