| Samuel Putnam - 1828 - 300 páginas
...greater part are poor and destitute. • ANGLE, a corner, formed usually by the meeting of two lines. **The circumference of every circle is supposed to be divided into 360 equal parts, called degrees.** A semi-circle, of course, contains li!0 degress, and a quadrant, or quarter of a circle, contains SO... | |
| Thomas Kerigan - 1828 - 664 páginas
...hemisphere, and the other, the southern hemisphere. — The equator, like all other great circles, is **divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes** } each minute into 60 equal parts, called seconds, and so on. The Meridian, of any place on the earth... | |
| John Bonnycastle - 1829 - 252 páginas
...called the hypothenuse; and the other two sides are called legs. PRACTICAL GEOMETRY. 21 D / -E B *47. **The circumference of every circle is supposed to be...each degree into 60 equal parts, called minutes; and** so on. 48. The measure of any right-lined angle is an arc of a circle contained between the two lines... | |
| Thomas Curtis - 1829
...and the oilier two sides are called the LEGS, 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... | |
| James Hale - 1829 - 115 páginas
...Supplement of the Arch FA. Fig. 10. 28. The Circumference of every Circle is supposed to be divided into 300 **equal parts, called Degrees ; each Degree into 60 equal parts, called Minutes ; and** these into Thirds, &,c. 29. The measure of an Angle is the Arch of a Circle contained between two Lines... | |
| John Playfair - 1829 - 186 páginas
...Mathematicians suppose the circumference of every circle to be divided into 360 equal parts, called degrees, and **each degree into 60 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... | |
| 1885 - 136 páginas
...Every circle is divided into 360 equal parts called degrees ; each degree is divided И" m' ... into GO **equal parts called minutes; and each minute into 60 equal parts called seconds.** The smaller the circle, the short- 18g er are the degrees. Degrees DECREES OF THE CIRCLE. are marked... | |
| Charles Davies - 1886 - 324 páginas
...Definitions. 28 The circumference of a circle is used for the measure. ment of angles. For this purpose it is **divided into 360 equal parts called degrees, each...parts called minutes, and each minute into 60 equal** pans called second s. The degrees, minutes, and seconds are marked thus ° ' " ; and 9° 18' 16", are... | |
| William Findlay Shunk - 1886 - 325 páginas
...inclndes one-quarter of the circle, and is the measure of a right angle. Each degree is further divided **into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.** Degrees, minutes, and seconds are denoted by the symbols °, 1, ": thus the expression 7° 221 33"... | |
| George Albert Wentworth - 1886 - 372 páginas
...about a point in a plane is divided into 360 equal parts, called degrees. Each degree is subdivided **into 60 equal parts, called minutes, and each minute into 60 equal parts, called seconds.** Likewise the circumference of a circle is divided into 3GO equal arcs, each corresponding to an angle... | |
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