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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

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

Nathan Fellowes Dupuis - Geometry - 1894 - 313 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 42°. Theorem...

The Elementary Arithmetic: Oral and Written

Albert Newton Raub - Arithmetic - 1894 - 200 pages
...called a Diameter. 129. Every circumference is divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. TABLE. 60 seconds (") =1 minute, (' ). 60 minutes = 1 degree, ( ° ). 30 degrees = 1 sign, s. 12 signs...

A Treatise on Surveying: Comprising the Theory and the Practice, Volume 1

William Mitchell Gillespie - Surveying - 1896 - 592 pages
...Every circumference is regarded as being divided into 360 equal parts, culled degrees. Each degree is divided into 60 equal parts, called minutes, and each minute into 60 seconds. These divisions are indicated by the murks ° ' ". Thus 28 degrees, 17 minutes, and 49 seconds,...

Plane Geometry

William James Milne - Geometry, Modern - 1899 - 258 pages
...been divided into 360 equal parts, called degrees; a degree into 60 equal parts, called minutes; a minute into 60 equal parts, called seconds. Degrees, minutes, and seconds are indicated in connection with numbers by the respective symbols °, ', ". 25 degrees, 18 minutes, 34...

Plane and Solid Geometry

William James Milne - Geometry - 1899 - 404 pages
...been divided into 360 equal parts, called degrees; a degree into 60 equal parts, called minutes; a minute into 60 equal parts, called seconds. Degrees, minutes, and seconds are indicated in connection with numbers by the respective symbols °, ', ". 25 degrees, 18 minutes, 34...

Elementary Algebra and Mensuration: Instruction Paper

American School (Lansing, Ill.) - Algebra - 1902 - 80 pages
...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. To express...

Mathematics

American School (Lansing, Ill.) - Engineering - 1903 - 426 pages
...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. To express 23 degrees, 47 minutes...

The Elements of Geometry

Walter Nelson Bush, John Bernard Clarke - Geometry - 1905 - 378 pages
...its intercepted arc. The circumference is divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds. For brevity, an angle measured by an arc of 1° is called an angle of 1° ; etc. NOTE. — This division...