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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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Arithmetic: Parts VII-VIII, advanced lessons

Eugene Herz, Mary G. Brants - 1920 - 313 σελίδες
...as one 25,000 miles in length. For making the more accurate measurements in surveying and astronomy each degree is divided into 60 equal parts called...minute is divided into 60 equal parts called seconds. Exercise 4 — Oral. 1. Draw a circle. How many degrees are there in your circle? 2. If each one in...

The Manufacture of Pulp and Paper: A Textbook of Modern Pulp and ..., Τόμος 1

Joint Textbook Committee of the Paper Industry - 1921
...angles is necessary for their solution. The circle 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. When the circle is divided into four equal parts, each part is called a quadrant, and the 4 equal angles...

Complete Geography

Harmon Bay Niver - 1922 - 327 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,...

American Practical Navigator: An Epitome of Navigation & Nautical Astronomy ...

Nathaniel Bowditch - 1931 - 852 σελίδες
...All circles are supposed to have their circumferences divided into 360 equal parts, cal.ed 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, minutes, and seconds...

Computer Numerical Control: A First Look Primer

William W. Luggen - 1996 - 423 σελίδες
...all cases of angular measurement, subdivisions of degrees must be made. Each degree of measurement is divided into 60 equal parts called minutes, and...minute is divided into 60 equal parts called seconds. The symbol for the minute is ' and the symbol for second is ". Therefore, you have the following relationships:...
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Mathematics at Work: Practical Applications of Arithmetic, Algebra, Geometry ...

Holbrook Lynedon Horton - 1999 - 656 σελίδες
...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 parts called...minute is divided into 60 equal parts called seconds. ln the circular system of measure the unit is the radian. If, instead of dividing the circumference...
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Technical Manual

United States. War Department
...meridian. This period is called the day. The day is divided into 24 equal parts called hours and each hour is divided into 60 equal parts called minutes, and...minute is divided into 60 equal parts called seconds. 19. Sidereal time. — a. Generatea solely by earth's rotation. — The simplest conception of time...

the ...

...unit on account of its size. A right angle is therefore 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. This system of measurement is called the Sexagesimal system. The...
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