 | Charles Davies - 1854 - 436 σελίδες
...the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided into 60 equal parts, called minutes; and each minute into 60... | |
 | Elias Loomis - 1855 - 192 σελίδες
...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... | |
 | Charles Davies - 1856 - 450 σελίδες
...latitude and longitude, in measuring the motions of the heavenly bodies, and also in measuring angles. The circumference of every circle is supposed to be divided into 360 equal parts, called degrees. Each degree is divided into CO minutes, and each minute into 60 seconds. TABLE. 422. For what is circular... | |
 | Roswell Chamberlain Smith - 1856 - 334 σελίδες
...degrees, the whole circle of the Zodiac.7 75. Every circle, whether the greatest or least possible, is divided into 360 equal parts, called degrees, and each degree into 60 equal 1 PLANET, from planao, G. to wander, means a celestial (4) body, which revolvea about the sun or other... | |
 | William Pease - 1856 - 108 σελίδες
...standard of measurement for angles has been obtained. Among English mathematicians, the circumference of a circle is supposed to be divided into 360 equal parts, called degrees ; an angle which is formed by two radii will therefore contain a certain number of those parts, and... | |
 | Lucius D. Gould - 1857 - 464 σελίδες
...middle; thus, the angle contained by the line A c and E o, is called the angle A CE, or EC A. Fig. 9. The circumference of every circle is supposed to be divided into 360 equal parts, I Plate 8. PLATE IX. Is a plastered groin arch designed for an oblong ceiling, and its angles represented... | |
 | Charles Guilford Burnham - 1857 - 342 σελίδες
...12 signs,or360° ............................ 1 circle. " Every circle, without regard to its size, is supposed to be divided into 360 equal parts, called degrees, and these again to be subdivided into minutes and seconds ; so that the absolute quantity expressed by... | |
 | Adrien Marie Legendre, Charles Davies - 1857 - 442 σελίδες
...the six parts is given. 3. For the purpose of trigonometrical calculation, the circumference of the circle is supposed to be divided into 360 equal parts, called degrees ; each degree is supposed to be divided into 60 equal parts, called minutes; and each minute into 60... | |
 | Charles Haynes Haswell - 1858 - 350 σελίδες
...that touches a circle without cutting it. A Cotangent is the tangent of the complement of the arc. 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, and so on. The Complement of an angle... | |
 | Samuel Maunder - 1858 - 868 σελίδες
...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... | |
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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. 
