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Every circumference of a. circle, whether the circle be large or small, is supposed to be 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 Field Engineer: A Handy Book of Practice in the Survey, Location, and ... - Page 11
by William Findlay Shunk - 1890 - 339 pages

## A Treatise on Trigonometry

James Edward Oliver - Trigonometry - 1881 - 140 pages
...is divided into 90 equal parts called degrees, the degree, into GO equal parts called minutes; the minute, into 60 equal parts called seconds. Degrees, minutes and seconds are marked °, ', ", respectively, thus : 6° 29' 33.3" is read 6 degrees, 29 minutes, 33 and 3 tenths...

## A Treatise on Trigonometry by Profs. Oliver, Wait and Jones

Cornell University. Department of Mathematics - 1881 - 120 pages
...is divided into 90 equal parts called degrees, the degree, into 60 equal parts called minutes; the minute, into 60 equal parts called seconds. Degrees, minutes and seconds are marked °, ', ", respectively, thus : 6° 29' 33.3" is read 6 degrees, 29 minutes, 33 and 3 tenths...

## The New Sydenham Society's Lexicon of Medicine and the Allied Sciences ...

New Sydenham Society, Henry Power, Leonard William Sedgwick - Biology - 1882 - 872 pages
...Quality ; rank ; station. The 360th part of a circle ; each part or degree is supposed to be farther divided into 60 equal parts, called minutes, and each minute into 60 seconds. Also, the division or interval marked on a thermometer, or other instrument, for measurement....

## Harper's School Geography

Geography - 1885 - 150 pages
...Every circle is divided into 360 equal parts called degrees ; each degree is divided И" m' ... into GO equal parts called minutes; and each minute into 60 equal parts called seconds. The smaller the circle, the short- 18g er are the degrees. Degrees DECREES OF THE CIRCLE. are marked...

## A Grammar Shcool Arithmetic

George Albert Wentworth - Arithmetic - 1886 - 392 pages
...about a point in a plane is divided into 360 equal parts, called degrees. Each degree is subdivided into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. Likewise the circumference of a circle is divided into 3GO equal arcs, each corresponding to an angle...

## Elements of Geometry and Trigonometry: With Applications in Mensuration

Charles Davies - Geometry - 1886 - 352 pages
...measure. ment of angles. For this purpose it is divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, and each minute into 60 equal pans called second s. The degrees, minutes, and seconds are marked thus ° ' " ; and 9° 18' 16", are...

## The American Practical Navigator: Being an Epitome of Navigation and ...

Nathaniel Bowditch - Nautical astronomy - 1888 - 704 pages
...supposed to have their circumference divided into 360 equal parts, called degrees ; and each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds ; and so on into thirds, fourths, Jtc. ; and an arc is said to be of as many degrees as it contains...

## Elementary Synthetic Geometry of the Point, Line and Circle in the Plane

Nathan Fellowes Dupuis - History - 1889 - 370 pages
...For practical purposes 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. 20 seconds and six-sevenths of a second, follows : — 51° 25' 42f . This is denoted as Theorem. —...