Elements of Geometry;: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle and the Geometry of Solids; to which are Added, Elements of Plane and Spherical TrigonometryBell & Bradfute, 1804 - 440 sider |
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Side 12
... THEOR . F two angles of a triangle be equal to one another , the fides which fubtend , or are opposite to , those angles , shall also be equal to one another . Let ABC be a triangle having the angle ABC equal to the angle ACB ; the fide ...
... THEOR . F two angles of a triangle be equal to one another , the fides which fubtend , or are opposite to , those angles , shall also be equal to one another . Let ABC be a triangle having the angle ABC equal to the angle ACB ; the fide ...
Side 13
... THEOR . Book I. PON the fame base , and on the fame fide of it , See N. there cannot be two triangles , that have their fides which are terminated in one extremity of the base equal to one another , and likewife those which are ...
... THEOR . Book I. PON the fame base , and on the fame fide of it , See N. there cannot be two triangles , that have their fides which are terminated in one extremity of the base equal to one another , and likewife those which are ...
Side 17
... THEOR . THEO HE angles which one straight line makes with another upon the one fide of it , are either two right angles , or are together equal to two right angles . Let the straight line AB make with CD , upon one fide of it , the ...
... THEOR . THEO HE angles which one straight line makes with another upon the one fide of it , are either two right angles , or are together equal to two right angles . Let the straight line AB make with CD , upon one fide of it , the ...
Side 19
... THEOR . F two straight lines cut one another , the vertical , or opposite angles shall be equal . Let the two straight lines AB , CD cut one another in the point E ; the angle AEC shall be equal to the angle DEB , and CEB to AED . For ...
... THEOR . F two straight lines cut one another , the vertical , or opposite angles shall be equal . Let the two straight lines AB , CD cut one another in the point E ; the angle AEC shall be equal to the angle DEB , and CEB to AED . For ...
Side 20
... THEOR . a 10. 1 . b 15. 1 . C 4. I. F one fide of Ingles a triangle be produced , the exterior greater than either of the interior , and opposite angles . Let ABC be a triangle , and let its fide BC be produced to D , the exterior angle ...
... THEOR . a 10. 1 . b 15. 1 . C 4. I. F one fide of Ingles a triangle be produced , the exterior greater than either of the interior , and opposite angles . Let ABC be a triangle , and let its fide BC be produced to D , the exterior angle ...
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Elements of Geometry: Containing the First Six Books of Euclid: With a ... Euclid,Formerly Chairman Department of Immunology John Playfair,John Playfair Ingen forhåndsvisning tilgjengelig - 2015 |
Elements of Geometry: Containing the First Six Books of Euclid, With a ... Formerly Chairman Department of Immunology John Playfair,John Playfair Ingen forhåndsvisning tilgjengelig - 2017 |
Vanlige uttrykk og setninger
ABC is equal ABCD alfo alſo altitude angle ABC angle ACB angle BAC arch bafe baſe baſe BC becauſe becauſe the angle biſected Book cafe cauſe centre circle ABC circumference co-fine cof BC cylinder demonſtrated deſcribed diameter draw drawn equal angles equiangular equilateral polygon equimultiples Euclid exterior angle fame ratio fame reaſon fides fince firſt folid fore given ſtraight line greater inſcribed interfect join leſs Let ABC line BC magnitudes oppoſite parallel parallelepipeds parallelogram paſs paſſes perpendicular polygon priſm proportionals propoſition Q. E. D. PROP radius rectangle contained rectilineal figure remaining angle ſame ſame manner ſame plane ſecond ſegment ſemicircle ſhall ſhewn ſide ſolid ſpace ſphere ſpherical triangle ſquare ſtand ſuch ſum ſuppoſed tangent THEOR theſe thoſe touches the circle triangle ABC uſe wherefore
Populære avsnitt
Side 27 - If two triangles have two angles of the one equal to two angles of the other, each to each, and one side equal to one side, viz. either the sides adjacent to the equal...
Side 172 - If two triangles have one angle of the one equal to one angle of the other and the sides about these equal angles proportional, the triangles are similar.
Side 42 - The complements of the parallelograms, which are about the diameter of any parallelogram, are equal to one another.
Side 84 - The diameter is the greatest straight line in a circle; and of all others, that which is nearer to the centre is always greater than one more remote; and the greater is nearer to the centre than the less. Let ABCD be a circle, of which...
Side 106 - IF from a point without a circle there be drawn two straight lines, one of which cuts the circle, and the other meets it ; if the rectangle contained by the whole line which cuts the circle, and the part of it without the circle be equal to the square of the line which meets it, the line which meets shall touch the circle.
Side 22 - THE greater angle of every triangle is subtended by the greater side, or has the greater side opposite to it. Let ABC be a triangle, of which the angle ABC is greater than the angle BCA : the side AC is likewise greater than the side AB. For, if it be not greater, AC must...
Side 64 - If then the sides of it, BE, ED are equal to one another, it is a square, and what was required is now done: But if they are not equal, produce one of them BE to F, and make EF equal to ED, and bisect BF in G : and from the centre G, at the distance GB, or GF, describe the semicircle...
Side 166 - IN a right angled triangle, if a perpendicular be drawn from the right angle to the base, the triangles on each side of it are similar to the whole triangle, and to one another. Let ABC be a right angled triangle, having the right angle BAC ; and from the point A let AD be drawn perpendicular to the base BC : the triangles ABD, ADC are similar to the whole triangle ABC, and to one another.
Side 54 - If a straight line be bisected, and produced to any point ; the rectangle contained by the whole line thus produced, and the part of it produced...
Side 2 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle; and the straight line which stands on the other is called a perpendicular to it.