 | Anthony Nesbit, W. Little - Measurement - 1822 - 916 pages
...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, &c. 48. The arc of a quadrant contains 90 degrees, which is the measure of a right angle. 49. An ellipse... | |
 | Rev. John Allen - Astronomy - 1822 - 516 pages
...have supposed the whole circumference of a circle to be divided in 360 equal parts, called degrees, each degree into 60 equal parts, called minutes and each minute into 60 equal parts, cal:ed seconds, &c. and a circle being described iron) the vertex of an angle, as a centre, an angle... | |
 | Joseph Emerson Worcester - Atlases - 1822 - 354 pages
...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 00 equal parts, called seconds. They are marked thus, 23° 28' 16" ; i- e. 33 degrees, 28 minute!",... | |
 | Anthony Nesbit - Surveying - 1824 - 476 pages
...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. 48. The arc of a quadrant contains 90 degrees, which is the measure of a right angle. 49. Ap ellipse... | |
 | Abel Flint - Surveying - 1825 - 252 pages
...or DE. Fig. 5. 14. The Circumference of every Circle is sipposed to be divided into 360 equal part?, called Degrees ; and each Degree into 60 equal parts,...parts, called Seconds ; and these into Thirds, &c. JVote. Since all Circles are divided into the same number ot Degrees, a Degree is not to be accounted... | |
 | Industrial arts - 1825 - 590 pages
...whether small or great, is supposed to be divided into 360 equal parts, which are called degrees ; each degree into 60 equal parts called minutes, and each minute into 60 equal parts called seconds, in the same manner as a yard is divided into 3 equal parts called feet, a foot into 12 equal parts... | |
 | George G. Carey - Astronomy - 1825 - 274 pages
...All circles, whether great or small, are 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, &c.f 9. An Angle is the inclination of two lines which meet in a point, and is always some part of... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 732 pages
...the figure CAG. NOTE. All circles, whether great or small, are supposed to have their circumference divided into 360 equal parts, called degrees, and...each minute into 60 equal parts, called seconds, and so on into thirds, fourths,* be. and an arch is said to be. of as many degrees as it contains parts... | |
 | Nathaniel Bowditch - Nautical astronomy - 1826 - 764 pages
...small, are supposed to have th cumference divided into 360 equal parts, called degrees, and each deçr 60 equal parts, called minutes ; and each minute into 60 equal parts. seconds, and so on into thirds, fourths,* be. and an arch is said to bi many degrees as it contains... | |
 | Robert Simson - Trigonometry - 1827 - 546 pages
...meeting BA, BC, in A, C ; the arch AC is called the measure of the angle ABC. II. The circumference of a circle is supposed to be divided into 360 equal parts...and each minute into 60 equal parts called seconds, &c. And as many degrees, minutes, seconds, &c. as are contained in any arch, of so many degrees, 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 equal parts, called minutes; and each minute into 60 equal parts, called seconds ; and these into thirds, &c . NOTE. 
