Euclid's Elements of Geometry: The Six First Books. To which are Added, Elements of Plain and Spherical Trigonometry, a System of Conick Sections, Elements of Natural Philosophy, as Far as it Relates to Astronomy, According to the Newtonian System, and Elements of Astronomy: with NotesCushing and Jewett, 1822 - 494 páginas |
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Página 14
... circle . 12. The bounding line ( ADBA ) , is called its circumference or periphery . 13. A diameter of a circle , is a right line , passing through the centre , and terminated both ways by the circumference , ( as AB ) . 14. A radius of ...
... circle . 12. The bounding line ( ADBA ) , is called its circumference or periphery . 13. A diameter of a circle , is a right line , passing through the centre , and terminated both ways by the circumference , ( as AB ) . 14. A radius of ...
Página 15
... 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 , & c . and a circle being described from the vertex of an angle , as 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 , & c . and a circle being described from the vertex of an angle , as a ...
Página 19
... circle BEC ( post . 3 ) . From the centre B , at the distance BA , describe the circle AED ( post . 3 ) . Pro- duce AB both ways ( post . 2 ) , so as to meet these circles in the points C and D. Then , since the C point C is without the ...
... circle BEC ( post . 3 ) . From the centre B , at the distance BA , describe the circle AED ( post . 3 ) . Pro- duce AB both ways ( post . 2 ) , so as to meet these circles in the points C and D. Then , since the C point C is without the ...
Página 20
... circle EGH [ Post . 3 ] . Produce DA to meet its circumference in H [ Post . 2 ] . Aй is equal to the given right line BC . For DH and DE are equal , being radiuses of the same circle EGH [ Def . 10 ] ; taking from them the parts DA ...
... circle EGH [ Post . 3 ] . Produce DA to meet its circumference in H [ Post . 2 ] . Aй is equal to the given right line BC . For DH and DE are equal , being radiuses of the same circle EGH [ Def . 10 ] ; taking from them the parts DA ...
Página 33
... circle DKM , and from the centre G , at the distance GH , describe the circle NKH [ Post . 3 ] ; and , since A and C , or their equals FM , NG to- gether , are greater than B or FG [ Hyp . ] , taking NG from each , FM is greater than FN ...
... circle DKM , and from the centre G , at the distance GH , describe the circle NKH [ Post . 3 ] ; and , since A and C , or their equals FM , NG to- gether , are greater than B or FG [ Hyp . ] , taking NG from each , FM is greater than FN ...
Otras ediciones - Ver todas
Euclid's Elements of Geometry, the First Six Books: To Which Are Added ... John Allen Sin vista previa disponible - 2023 |
Euclid's Elements of Geometry, the First Six Books: To Which Are Added ... John Allen Sin vista previa disponible - 2018 |
Términos y frases comunes
angle ACB arch asymptote bisected centre centripetal force circle circumference conical surface conick section described diameter difference directrix distance draw ellipse ellipse or hyperbola equal angles equal Ax equal Cor equal Hyp equiangular Euclid's Elements focus given right line greater half sum inscribed less let fall magnitudes meeting the section opposite hyperbolas opposite sections ordinately applied parabola parallel parallelogram perpendicular plain principal vertex PROB produced PROP proportional proposition quadrant radius rect rectangle right angles right line drawn Scholium secant section or opposite segments semidiameter severally equal shewn sides sine spherical triangle square of CB submultiple tangent THEOR triangle ABC vertex whence
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Página 2 - In conformity to the act of Congress of the United States, entitled, " An act for the encouragement of learning, by securing the copies of maps, charts and books, to the authors and proprietors of such copies, during the times therein mentioned ;
Página 2 - Co. of the said district, have deposited in this office the title of a book, the right whereof they claim as proprietors, in the words following, to wit : " Tadeuskund, the Last King of the Lenape. An Historical Tale." In conformity to the Act of the Congress of the United States...
Página 42 - Therefore all the interior angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Página 176 - If two triangles have an angle of one equal to an angle of the other...
Página 118 - To describe an isosceles triangle, having each of the angles at the base double of the third angle.
Página 15 - 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.
Página 444 - Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external, and by another name is called duration: relative, apparent, and common time, is some sensible and external (whether accurate or unequable) measure of duration by the means of motion, which is commonly used instead of true time; such as an hour, a day, a month, a year.
Página 96 - Upon the same straight line, and upon the same side of it, there cannot be two similar segments of circles, not coinciding with one another.
Página 386 - ... figure, together with four right angles, are equal to twice as many right angles as the figure has be divided into as many triangles as the figure has sides, by drawing straight lines from a point F within the figure to each of its angles.
Página 49 - Equal triangles on the same base, and on the same side of it, are between the same parallels.