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 Βιβλία Βιβλία 21 - 30 από 186 για The circumference of every circle is supposed to be divided into 360 equal parts,.... The circumference of every circle is supposed to be divided into 360 equal parts, called degrees... An elementary treatise on arithmetic, in theory and practice: adapted to the ... - Σελίδα 66
των James Ryan - 1827 - 272 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
...parts ; and small 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...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
...the arc DE is the 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...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... ## A System of Universal Geography, for Common Schools: In which Europe is ...

Nathaniel Dwight - 1817 - 216 σελίδες
...Circles, which divide it into Unequal parts. Q. What are the Degrees of a Circle ?. A. The circumferer.ee 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 the EQUATOR ?... ## A Course of Mathematics: For the Use of Academies, as Well as Private Tuition

Charles Hutton - 1818
...the middle. Thus the 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... ## A System of Geometry and Trigonometry: Together with a Treatise on Surveying ...

Abel Flint - 1818 - 168 σελίδες
...Centre ; and it divides 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... ## 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... ## British Encyclopedia: Or, Dictionary of Arts and Sciences ..., Τόμος 3

William Nicholson - 1819
...otherwise called a periphery ; the boundary of a right lined figure being expressed by the term perimeter. The circumference of every circle is supposed to be divided into 360 degrees. The angle at the circumference of a circle is double that at the centre. For the ratio of... ## Hawney's Complete Measurer: Or, The Whole Art of Measuring. Being a Plain ...

William Hawney - 1820 - 312 σελίδες
...thus the arch I)E is the 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...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...