| International Correspondence Schools - 1899
...it, called the equator. The equator is divided into 360 equal parts called degrees (see Table XV) ; **each degree is divided into 60 equal parts, called minutes; and each minute is** again divided into 60 equal parts, called seconds. Through each point of division a circle, called... | |
| Seymour Eaton - 1899 - 340 σελίδες
...circle is called its circumference. The circumference is divided into 360 equal parts, called degrees. **Each degree is divided into 60 equal parts, called minutes; and each minute** into 6O equal parts, called seconds. One-fourth of a circle is called a quadrant, or right angle, and... | |
| Eugene L. Dubbs - 1901 - 440 σελίδες
...line that bounds it. For purposes of measurement it is divided into 360 equal parts called degrees ; **each degree is divided into 60 equal parts called minutes ; and each minute** into (J0 equal parts called seconds. 60 seconds (") = 1 minute . . . '. 60 minutes = 1 degree . . .... | |
| 1902
...degrees, which means that it is ^Ytf = \ of a circumference. In order to obtain accurate measurements **each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds.** Angles and arcs are usually measured by means of an instrument called a protractor which has already... | |
| American School (Lansing, Ill.) - 1902 - 72 σελίδες
...— 60. An angle of 45 degrees is measured by ^ of the circumference. 185. For accurate measurement **each degree is divided into 60 equal parts called minutes and each minute** into 60 equal parts ('ailed seconds. The symbols of degrees, minutes and seconds are °, ', ", respectively.... | |
| American School (Chicago, Ill.) - 1903
...degrees, which means that it is 3^- = -J- of a circumference. In order to obtain accurate measurements **each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds.** Angles and arcs are usually measured by means of an instrument called a protractor which has already... | |
| American School (Chicago, Ill.) - 1903
...a|u = 60. An angle of 45 degrees is measured by ^ of the circumference. 185. For accurate measurement **each degree is divided into 60 equal parts called minutes and each minute** into 60 equal parts called seconds. The symbols of degrees, minutes and seconds are °, ', ", respectively.... | |
| American School (Chicago, Ill.) - 1906
...degrees, which means that it is ^g5^ — I of a circumference. In order to obtain accurate measurements **each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds.** Angles and arcs are usually measured by means of an instrument called a protractor which has already... | |
| 1906
...degrees, which means that it is Tj-g 6 ^ = -J of a circumference. In older to obtain accurate measurements **each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds.** Angles and arcs are usually measured by means of an instrument called a protractor which has already... | |
| Erwin Herrick Schuyler, James Hixon Van Sickle - 1906 - 192 σελίδες
...that every circumference is divided into 360 equal parts, called degrees. Now we must learn that every **degree is divided into 60 equal parts, called minutes,...minute is divided into 60 equal parts, called seconds.** Thus we have the table of CIRCULAR (OR ANGULAR) MEASURE The imaginary lines on the earth's surface... | |
| |