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 Books Bücher The circumference of every circle is supposed to be 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 these into thirds, &c. The First Six Books: Together with the Eleventh and Twelfth - Seite 483
von Euclid - 1781 - 520 Seiten
Vollansicht - Über dieses Buch ## Uranography: Or, a Description of the Heavens; Designed for Academies and ...

Ezra Otis Kendall - 1845 - 365 Seiten
...circumference of that circle. Every circle is considered as divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds. They are marked 0 ' " — thus: 10° 2' 20" — which is read ten degrees, two minutes, and...
Vollansicht - Über dieses Buch ## A Series on Elementary and Higher Geometry, Trigonometry, and Mensuration ...

Nathan Scholfield - 1845
...is supposed to be divided into 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds ; and so on, to thirds, fourths, &c. These divisions are designated by the following characters,...
Vollansicht - Über dieses Buch ## Higher Geometry and Trigonometry: Being the Third Part of a Series on ...

Nathan Scholfield - 1845 - 232 Seiten
...is supposed to be divided into 360 equal parts, called degrees, and each of those degrees is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds ; and so on, to thirds, fourths, &c. These divisions are designated by the following characters,...
Vollansicht - Über dieses Buch ## A system of practical mathematics; being no.xvi. of a new series of school-books

...quadrant. 3. In trigonometry all the angles round a point are divided into 360 equal parts, called degrees, each degree into 60 equal parts, called minutes, and each minute into "0 equal parts, called seconds. Degrees, minutes, and seconds, are respectively designated by these...
Vollansicht - Über dieses Buch ## The University Arithmetic: Embracing the Science of Numbers, and Their ...

Charles Davies - 1846 - 399 Seiten
...CIRCLE MEASURE OF TIME. 40. Every circle is supposed to be 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 astronomical purposes, the circumference of the circle is also supposed to be divided...
Vollansicht - Über dieses Buch ## An introduction to the study of modern geography, with a chapter on the ...

Henry Hopwood - 1846
...English mathematicians, to be 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. Degrees are marked (°), minutes ('), and seconds ("). These degrees vary in length according...
Vollansicht - Über dieses Buch ## A System of Natural Philosophy: in which are Explained the Principles of ...

John Lee Comstock - 1852 - 408 Seiten
...star A. 132. Each of the 12 signs of the zodiac is divided into 30 smaller parts, called degrees ; each degree into 60 equal parts, called minutes, and each minute into 60 parts, called seconds. The division of the zodiac into signs, is of very ancient date, each sign having...
Vollansicht - Über dieses Buch ## High School Arithmetic

James B. Dodd - 1853
...393. The Circumference of every circle is conceived to be divided into 360 equal parts called degrees, each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. Degrees, minutes, and seconds, are denoted thus 25o 30' 45", 25 deg. 30 nin. 45 sec. \$ 395....
Vollansicht - Über dieses Buch ## Elements of geometry and mensuration

Thomas Lund - 1854 - 192 Seiten
...inches, &c., so the right angle is supposed to be divided into 90 equal angles or parts, called degrees; each degree into 60 equal parts called minutes; and each minute into 60 equal parts called seconds. Hence a right angle is arithmetically expressed by 90 degrees, usually written thus, 90°...
Vollansicht - Über dieses Buch ## Rudiment: Treatise on Arithmetic, with Key, Band 2

J. R. Young - 1854
...of course, are longer or shorter, according as the circle is greater or less. Each degree is divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds: the marks for degrees, minutes, and seconds, are a small ° for degrees, a dash ' for minutes,...
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