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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. "
Arithmetic by Grades for Inductive Teaching, Drilling and Testing..: Book no ... - Σελίδα 81
των John Tilden Prince - 1894
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A Treatise on Bookkeeping and Stenography ...

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...

Mathematics: Mechanic's bids and estimates. Mensuration for beginners. Easy ...

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...

New Practical Arithmetic

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 . . ....

Cyclopedia of Engineering; a Complete Manual of Steam and Machine ..., Τόμος 4

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...

Elementary Algebra and Mensuration: Instruction Paper

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....

Mechanical drawing

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...

Mathematics

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....

Modern Engineering Practice: A Reference Library..., Τόμος 11

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...

Cyclopedia of Drawing: A General Reference Work on Drawing and ..., Μέρος 1

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...

Number Applications

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...




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