 | William A. Elderton - 1890 - 148 pages
...if they had not known that the earth was a sphere. Again, we have derived our division of a circle into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds, from the Greeks, and they received it from the Babylonians. Hence we see that the fundamental principles... | |
 | Charles Haynes Haswell - 1890 - 990 pages
...of arc. • ii Circumference of every circle is supposed to be divided into 360 equal parts, termed Degrees ; each degree into 60 Minutes, and each minute into 60 Seconds, and so on. Complement of an angle is what remains after subtracting angle from go degrees. Supplement... | |
 | Charles Augustus Young - 1891 - 422 pages
...those of angle, viz. : degrees (°), minutes ('), and seconds (") ; the circumference of a circle being divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. Thus, the Great Bear's tail, 1 This is the same as the ' vanishing-point ' of perspective. or Dipper-handle,... | |
 | Edwin Pliny Seaver, George Augustus Walton - 1895 - 412 pages
...circle, is its diameter. 271. The circumference of a circle is divided into 360 equal arcs, called degrees (°), each degree into 60 minutes ('), and each minute into 60 seconds ("). A Circle. 272. When two lines, as ab and be, An Angle. meet each other, they form an angle. The... | |
 | William Jay Youmans - 1896 - 898 pages
...Some of his questions might run thus : — What do you propose to do with the circle ? At present it is divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. I suppose you would divide it into 100 degrees, each degree into 100 minutes, and each of these into... | |
 | Herbert Spencer - 1914 - 286 pages
...Some of his questions might run thus: — What do you propose to do with the circle? At present it is divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. I suppose you would divide it into 100 degrees, each degree into 100 minutes, and each of these into... | |
 | John S. Rooke - 1902 - 96 pages
...complement of arc. THE CIRCUMFERENCE OF A CIRCLE is supposed to be divided into 360 equal parts, termed degrees ; each degree into 60 minutes and each minute into 60 seconds. COMPLEMEMT OF AN ANGLE is what remains after subtracting angle from 90 degrees. Plate 22 A. TRIGONOMETRIC... | |
 | American School (Chicago, Ill.) - 1903 - 390 pages
...of latitude, CD departure, and DOC the course. Nautical Miles, or Knots. A great circle of the earth is divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. Each minute is 6,080 feet (nearly) in length, or one nautical mile, the statute mile being only 5,280... | |
 | Charles Augustus Young - 1903 - 456 pages
...those of angle, viz.: degrees (°), minutes ('), and seconds ("); the circumference of a circle being divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds. Thus, the Great Bear's tail, or " Dipper-handle," is about 16° long, and the long side of the " Dipper-bowl"... | |
 | Paul Nooncree Hasluck - 1905 - 890 pages
...and A at the other end of it, the angle between the directions of A and в would be 23*. (A circle is divided into 360 degrees, each degree into 60 minutes, and each minute into 60 seconds.) The A rays will come to a focus at a in the upper part of the tube, the в rays at Ь in the lower... | |
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The circumference of every circle is supposed to' be divided into 360 equal parts, called degrees ; each degree into 60 minutes, and each minute into 60 seconds. Degrees, minutes, and seconds are designated by the characters °, ', ". Thus 23° 14' 35"... 
