| Samuel Maunder - 1858 - 832 pągines
...compasses, nxing one foot in the centre and turning the other round to trace out the circumference. **The circumference of every circle is supposed to be divided into 360 equal** part a, called degrees and marked " ; and each degree into GU minutes, marked'. The word Circle is... | |
| ELIAS LOOMIS, LL.D. - 1859
...Trigonometry treats of plane triangles; Spherical Trigonometry treats of spherical triangles. (19.) **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... | |
| Horatio Nelson Robinson - 1859 - 336 pągines
...suits containing 9 yd. 2 qr. each ; how many suits did he make ? Ans. 17. LONGITUDE AND TIME. c 324. **Every circle is supposed to be divided into 360 equal parts, called degrees*** Since the sun appears to pass from east to west round the earth, or through 360°, once in every 24... | |
| Anthony Nesbit - 1859 - 450 pągines
...The circumference of 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** GO equal parts, called seconds. 48. The arc of a quadrant contains 90 degrees, which is the measure... | |
| William Grier - 1861 - 305 pągines
...two on the two sides, that which stands at the angular point is read in the middle. Thus, DAE. 57. **The circumference of every circle is supposed to be...equal parts, called degrees ; and each degree into 60** minutes, each minute into 60 seconds, and so on. Hence a semicircle contains 180 degrees, and a quadrant... | |
| Josiah Lyman - 1862 - 77 pągines
...circumference ; as BC, or CD, Fig. 1. 7. A Quadrant is the fourth part of a circle; as AFB, Fig. 1. 8. **The circumference of 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,... | |
| Charles Davies - 1863 - 336 pągines
...used in estimating latitude and longitude, and also in measuring the motions of the heavenly bodies. **The circumference of every circle is supposed to be divided into 360 equal parts, called degrees.** Each degree is divided into 60 minutes, and each minute into 60 seconds. Table 60 Seconds ( " ) . .... | |
| 1863
...arc itself, which is described on the angular point, but by certain lines described about that arc. **The circumference of every circle is supposed to be divided into 360 equal parts, called degrees;** each degree into 60 minutes ; each minute into 60 seconds ; and so on. The sine of three angles of... | |
| Henry S. Merrett - 1863 - 317 pągines
...arc itself, which is described on the angular point, but by certain lines described about that arc. **The circumference of every circle is supposed to be divided into 360 equal parts, called degrees;** each degree into 60 minutes ; each minute into 60 seconds ; and so on. The sine of three angles of... | |
| Oliver Byrne - 1863 - 588 pągines
...TRIGONOMETRY treats of the relations and calculations of the sides and angles of plane trianglesThe **circumference of every circle is supposed to be divided into 360 equal parts, called degrees** ; also each degree into 60 minutes, each minute into 60 seconds, and so onHence a semicircle contains... | |
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