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. An Elementary Geometry and Trigonometry - Page 11by William Frothingham Bradbury - 1873 - 238 pagesFull view - About this book
| Robert Gibson - Surveying - 1821 - 604 pages
...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** 00 equal parts called seconds, and- these into thirds, fourths, &c. these parts being greater or less... | |
| William Jillard Hort - 1822 - 308 pages
...is the measure of the angle contained by the lines CA and CH. 2. If the circumference of a circle be **divided into 360 equal parts called degrees, each...and each minute into 60 equal parts called seconds** ; and so on ; then, as many degrees, minutes, and seconds, &c. as are in any arch ; so many degrees,... | |
| Anthony Nesbit, W. Little - Measurement - 1822 - 916 pages
...of a circle bounded by an arc sad two radii. 47. The circumference of every circle is supposed to be **divided into 360 equal parts, called degrees ; each...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 - 508 pages
...called acute.* * Mathematicians have supposed the whole circumference of a circle to be divided in **360 equal parts, called degrees, each degree into...and each minute into 60 equal parts, called seconds,** Stc. and a circle being described from the vertex of an angle, as a centre, an angle is said to be... | |
| Rev. John Allen - Astronomy - 1822 - 516 pages
...tailed acute.* * Mathematicians have supposed the whole circumference of a circle to be divided in **360 equal parts, called degrees, each degree into...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 - 322 pages
...four, the two tropics, and (he two polar circles. The circumference of every circle is supposed to be **divided into 360 equal parts, called degrees ; each...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
...of a circle bounded by an arc and two radii. 47. The circumference of every circle is supposed to be **divided into 360 equal parts, called degrees ; each...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... | |
| George G. Carey - Astronomy - 1825 - 274 pages
...the plane of the circle. 8. Degrees, fyc. — All circles, whether great or small, are supposed to be **divided into 360 equal parts, called degrees; each...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... | |
| Industrial arts - 1825 - 590 pages
...circumference of all circles, whether small or great, is supposed to be divided into 360 equal parts, which are **called degrees ; each degree into 60 equal parts called...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... | |
| Abel Flint - Surveying - 1825 - 252 pages
...Circumference of every Circle is sipposed to be divided into 360 equal part?, 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. JVote. Since all Circles are divided into the same number ot Degrees,... | |
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