| Charles Davies - Trigonometry - 1849 - 372 pages
...calculation, the circumference of the circle is divided into 360 equal parts, called •legrees; each degree **into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds.** nated by the characters : °,',": thus the expression 16° 6' 15" represents an arc, or an angle, of... | |
| Mary Somerville - Physical sciences - 1849 - 568 pages
...sun. NOTE 50, p. 11. Ninety degrees. A circle is divided into 360 equal parts, or degrees; each degree **into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds.** It is usual to write these quantities thus, 15° Ki' Id", which means fifteen degrees, sixteen minutes,... | |
| Daniel Adams - Arithmetic - 1849 - 142 pages
...10. The circumference of every circle 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.** 11. Degrees, minutes, and seconds, are marked respectively °, ', "; they are used in mensuration and... | |
| Charles Davies - Arithmetic - 1850 - 412 pages
...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 into 12 equal... | |
| Daniel Adams - Measurement - 1850 - 144 pages
...10. The circumference of every circle 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.** 11. Degrees, minutes, and seconds, are marked respectively °, ', " ; they are used in mensuration... | |
| Charles Davies - Geometry - 1850 - 238 pages
...measurement 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 parts called seconds.** The degrees, minutes, and seconds are marked thus ° ' " ; and 9° 18' 16", are read, 9 degrees 18... | |
| Charles Davies - Geometry - 1850 - 218 pages
...measurement 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 parts called seconds.** The degrees, minutes, and seconds are marked thus ° ' " ; and 9° 18' 16", are read, 9 degrees 18... | |
| Charles Guilford Burnham - Arithmetic - 1850 - 350 pages
...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, etc. Hence a semicircle contains 180 degrees, and a quadrant 90 degrees. 15.... | |
| Roswell Chamberlain Smith - Arithmetic - 1850 - 314 pages
...through the centre of the earth. 15 CORRESPOND, [L. corrcspondeo.] To answer to; communicate with. **parts, called minutes, and each minute into 60 equal parts, called seconds.** 76. The circumference1 of the earth is a great circle of 360 de grees. On this circle every minute... | |
| Sir Henry Edward Landor Thuillier - Surveying - 1851 - 826 pages
...circle is supposed to be divided off 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 expressed thus:0 minutes, thus/ seconds, thus:" A Quadrant of a circle will therefore contain... | |
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