... is supposed to be divided into 60 equal parts, called minutes; and each minute into 60 equal parts, called seconds. Degrees, minutes, and seconds, are designated respectively, by the characters ° ' ". For example, ten degrees, eighteen minutes, and... The Geometrician: Containing Essays on Plane Geometry, and Trigonometry ... - Page 60by Benjamin Donne - 1775 - 159 pagesFull view - About this book
| John Gummere - Surveying - 1817 - 206 pages
...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 minute into 60 equal parts, called seconds,** 8cc. 3. The measure of an angle is the arc of a circle, con-, tuined between the two lines that form... | |
| Robert Gibson - Surveying - 1818 - 478 pages
...periphery 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 ; &c.** 3. Any part of the periphery, is calledlan arch ; and is the measure of the angle at the centre, which... | |
| Miles Bland - Euclid's Elements - 1819 - 377 pages
...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 to afford some facilities for calculations, in consequence... | |
| Miles Bland - Euclid's Elements - 1819 - 377 pages
...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 to afford some facilities for calculations, in consequence... | |
| Thomas Simpson - Algebra - 1821 - 408 pages
...periphery 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,** or second minutes, <Jc. Any part of the periphery is called an arch, and is measured by the number... | |
| Daniel Adams - Geography - 1821 - 337 pages
...degree of a great circle of the earth contains 60 geographical, 91 ti9f English miles. Each degree is **divided into 60 equal parts, called minutes; and each minute into 60** seconds. Degrees are usually marked with a small cypher over them (°), minutes with one dash ('),... | |
| Anthony Nesbit, W. Little - Measurement - 1822
...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... | |
| William Jillard Hort - 1822
...CH. 2. If the circumference of a circle 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** ; and so on ; then, as many degrees, minutes, and seconds, &c. as are in any arch ; so many degrees,... | |
| Euclid, Rev. John Allen - Astronomy - 1822 - 494 pages
...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, called seconds,** Stc. and a circle being described from the vertex of an angle, as a centre, an angle is said to be... | |
| Euclid, Rev. John Allen - Astronomy - 1822 - 494 pages
...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... | |
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