 | 1814 - 402 sider
...it is a chord to both segments of the circle, as DFE and DGE. 12. A Circle is actually, or supposed to be divided into 360 equal parts, called Degrees,...each degree into 60 equal parts, called Minutes ; and these into seconds, &c. 13. An Angle is so many degrees, as lines drawn from the centre of a circle,... | |
 | Nathaniel Dwight - 1816 - 220 sider
...A. 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 seconds. Q. What is a meridian ? A. It is a great circle cutting the equator at right angle's', and... | |
 | Charles Hutton - 1818 - 646 sider
...lines BA and 3D is called the angle BAC BAD or DAB. 67. 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 degrees, and a quadrant... | |
 | Robert Gibson - 1821 - 594 sider
...semicircles; and is double theradius,as AB or DE. fig. 8. 16. The circumference of every circle is supposed to be divided into 360 equal parts called degrees,...60 equal parts called minutes, and each minute into 00 equal parts called seconds, and- these into thirds, fourths, &c. these parts being greater or less... | |
 | Rev. John Allen - 1822 - 516 sider
...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 - 1822 - 354 sider
...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!",... | |
 | Samuel Adams (servant.) - 1826 - 526 sider
...is J3. ,\ Gross is 12 Dozen, or 144 A Pace is 3 Feet or a Yard. Mathematicians conceive every Circle to be divided into 360 equal Parts, called Degrees, and each Degree into 60 equal parts, called Seconds, and each Second subdivided into 60 smaller parts, called thirds, and so on. The Diameter of... | |
 | John Playfair - 1829 - 210 sider
...will be the proper measure of the angle BGC. Mathematicians suppose the circumference of every circle to be divided into 360 equal parts, called degrees,...equal parts, called minutes, and each minute into £0 equal parts, called seconds, &c. Hence a right angle, being measured by a quadrant contains 90... | |
 | 1829 - 196 sider
...386* TRIGONOMETRY is the art of measuring TRIANGLES. 38T* The PERIPHERY of every cirele is supposed to be divided into 360 equal parts, called DEGREES; and each degree into 60 other equal parts, called minutes, &c. * Tfiuse who would wish to pursue this study, cannot prrhaps... | |
 | Thomas Curtis - 1829 - 814 sider
...or sometimes the base and perpendicular. Fig. 10. 40. The circumference of every circle is supposed to be divided into 360 equal parts, called DEGREES, and each degree into sixty MIMUTES, each minute into sixty SECOND, and so on. Hence a semicircle contains 180 degrees, and... | |
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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. 
