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 Βιβλία Βιβλία 21 - 30 από 186 για The circumference of every circle is supposed to be divided into 360 equal.... The circumference of every circle is supposed to be divided into 360 equal... First Lessons in Arithmetic: Combining the Oral Method with the Method of ... - Σελίδα 162
των Charles Davies - 1849 - 168 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## A System of Universal Geography: For Common Schools: in which Europe is ...

Nathaniel Dwight - 1816 - 213 σελίδες
...circles, which divide it into unequal 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... ## An Introduction to Astronomy

John Bonnycastle - 1816 - 428 σελίδες
...and the equator, we are enabled to judge of the situation of the place with respect to its latitude. Every circle is supposed to be divided into 360 equal parts, called degrees, and every degree into sixty equal parts, called minutes; so that, from these considerations, you will... ## The complete measurer: or, The whole art of measuring, containing the ...

Thomas Keith, William Hawney - 1817
...measure of the angle » BE, and 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... ## Eight Familiar Lectures on Astronomy, Intended as an Introduction to the ...

William Philipps - 1817 - 254 σελίδες
...divided into 360 degrees, each of the twelve parts of the Zodiac will contain 30 degrees of the circle ; each degree is divided into 60 minutes, and each minute into 60 equal parts called seconds, and so on. The Zodiac takes in a band or belt of stars 1 6 degrees broad,... ## A Treatise on Practical Surveying: Which is Demonstrated from Its First ...

Robert Gibson - 1818 - 478 σελίδες
...about circles, be supposed to be divided into some assigned number of equal parts. 2. The 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... ## A Course of Mathematics ...: For the Use of Academies, as Well as ..., Τόμος 1

Charles Hutton - 1818
...angle contained by the 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... ## Geography Made Easy: Being an Abridgement of the American Universal ...

Jedidiah Morse - 1818 - 364 σελίδες
...Celestial Sphere. 21 supposed to be extended to the earth, and marked on its surface. Each circle is divided into 360 equal parts, called degrees ; each degree is divided into 60 minutet, and each minute into GO seconds. % If The circles, supposed by Geographers to be described... ## A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1818 - 168 σελίδες
...the Circle into two equal parts, called Semicircles ; as AB or DE. Fig 5. 14. 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 60 equal parts, called... ## Hawney's Complete Measurer: Or, The Whole Art of Measuring. Being a Plain ...

William Hawney - 1820 - 312 σελίδες
...measure of the angle DBE aud the arch GH is the measure of the angle ABC. 1*. 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. Angles are... ## A Treatise on the Elements of Algebra

Bewick Bridge - 1821 - 227 σελίδες
...For the purpose of exhibiting arithmetically the magnitude of angles, the whole circumference of the circle is supposed to be divided into 360 equal parts, called degrees; each degree into 60 equal parts, called minutes; each minute into 60 equal parts, called seconds; &c. &c. And since...