 | Charles Guilford Burnham - 1857 - 328 σελίδες
...it ivicles the circle into two equal parts called semicircles. 14. 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... | |
 | Charles Guilford Burnham - 1859 - 338 σελίδες
...seconds, " make 1 minute, ' 68 minutes " 1 degree, ° 80 degrees " 1 sign, s. 12 signs,or360° 1 circle. " Every circle, without regard to its size, is supposed...expressed by any of these denominations must always depend apon the size of the cirde. A 2 pints, pts. make! 4 quarts " 36 gallons " 54 gallons " 2 hogsheads... | |
 | William Grier - 1861 - 316 σελίδες
...stands at the angular point is read in the middle. Thus, DAE. 57. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; and each degree into 60 minutes, each minute into 60 seconds, and so on. Hence a semicircle contains 180... | |
 | Thomas Baker (C.E.) - 1865 - 174 σελίδες
...by these radii and the arc FE, will be the sector of a circle. 27. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees, and each degree into 60 minutes, each minute into 60 seconds, &e. Hence a semicircle contains 180 degrees,... | |
 | Gerardus Beekman Docharty - 1867 - 474 σελίδες
...that which stands at the angular point is read in the middle. 57. The Circumference of every circle is supposed to be divided into 360 equal parts, called Degrees ; and each degree into 60 Minutes, each minute into 60 Seconds, and so on. Hence a semicircle contains 180... | |
 | 1869 - 104 σελίδες
...straight lines, from stars or points, meeting at the eye of the observer. For this purpose the circle is supposed to be divided into 360 equal parts, called Degrees, and each of these degrees into 60 equal parts called Minutes, and each minute into 00 equal seconds. A... | |
 | Hugo Reid - 1872 - 148 σελίδες
...circumferences would exactly coincide. Division of the Circumference. 34. The circumference of a circle is supposed to be divided into 360 equal parts, called degrees, and marked °. Each degree is divided into 60 equal parts, called -minutes, and marked '. Each minute is... | |
 | Hugo Reid - 1874 - 276 σελίδες
...circumference it forms. For this purpose, the circumference of a circle, whatever its magnitude may be, is supposed to be divided into 360 equal parts, called degrees, and marked °. To express still smaller parts, each degree is divided into 60 equal parts, called minutes,... | |
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The circumference of every circle is supposed to be divided into 360 equal parts, called degrees; and each degree into 60 minutes, each minute into 60 seconds, and so on. 
