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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.
First lessons in Plane Geometry. Together with an application of them to the ... - Page 173
by Francis Joseph Grund - 1830 - 12 pages

## A pocket encyclopędia, or library of general knowledge

Edward Augustus Kendall - 1811 - 462 pages
...contained between the two legs, having the angular point for its centre. Ev.ery circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parti, called minutes \$ each minute into' 60 equal parts, called seconds. " An angle is said to be...

## A Treatise on Surveying, Containing the Theory and Practice: To which is ...

John Gummere - Surveying - 1814 - 398 pages
...three angles, are given, the others are determined. 2. The periphery of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minnte into 60 equal parts, called seconds, &c. 3. The measure of an angle is the arc of...

## The Young Man's Best Companion and Guide to Useful Knowledge

John Dougall - Encyclopedias and dictionaries - 1815 - 514 pages
...-complement, or shortrv, the co-sine of the ar<j В S. The circumference of the globe of the earth being divided into 360 equal parts called degrees, each degree into 60 equal parts called nantītes, each minute into OU equal part« called seconds, each second into (Hi equal parts called...

## Elements of Plane and Spherical Trigonometry

Olinthus Gregory - Plane trigonometry - 1816 - 278 pages
...of the angle ACB. 10. The circumference of a circle is supposed to be divided, or to be divisible, into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes ; each of these into 60 equal parts, called seconds ; and so on, to the minutest possible subdivisions. Of...

## A System of Universal Geography: For Common Schools: in which Europe is ...

Nathaniel Dwight - Geography - 1816 - 220 pages
...parts. Q. What are the degrees of a circle ? 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...

## The complete measurer: or, The whole art of measuring, containing the ...

Thomas Keith - 1817 - 306 pages
...the arc G n is the measure of the angle ABC. 14. 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. The angles are measured by the number of degrees...

## Geometrical Problems Deducible from the First Six Books of Euclid, Arranged ...

Miles Bland - Euclid's Elements - 1819 - 442 pages
...Till lately, Geometers almost unanimously agreed to divide the circumference of the circle into 36o equal parts called Degrees ; each degree into 60 equal parts called Minutes; and each minute into 60 equal parts called Seconds, &c. This method appeared to the Greek Geometers...

## Geometrical Problems Deducible from the First Six Books of Euclid, Arranged ...

Miles Bland - Euclid's Elements - 1819 - 444 pages
...Till lately, Geometers almost unanimously agreed to divide the circumference of the circle into 36o equal parts called Degrees ; each degree into 60 equal parts called Minutes ; and each minute into 60 equal parts called Seconds, &c. This method appeared to the Greek Geometers...