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Libros Libros 81 - 90 de 118 sobre When you have proved that the three angles of every triangle are equal to two right...
" When you have proved that the three angles of every triangle are equal to two right angles... "
Spirit and mind polarity, or The disentanglement of ideas - Página 2
por Arthur Young - 1873
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The Elements of Euclid, containing the first six books, with a selection of ...

James Martin (of the Wedgwood inst, Burslem) - 1874
...shall together be equal to two right angles. Construction. Join AC, BD. Demonstration. And because the three angles of every triangle are equal to two right angles (I. 32), the three angles of the triangle CAB, viz., 1. The angles CAB, ABC, BCA are equal to two right...
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Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson, with ...

Robert Potts - 1876 - 403 páginas
...any two of its opposite angles shall together be equal to two right angles. Join ^ C, BD. And because the three angles of every triangle are equal to two right angles, (I. 32.) the three angles of the triangle CAB, viz. the angles CAB, ABCt BCA, are equal to two right...
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Elements of Geometry, Conic Sections, and Plane Trigonometry

Elias Loomis - 1877 - 443 páginas
...sixth part of four right angles (Pr. 2, Sch. 1), or the third part of two right angles. Also, because the three angles of every triangle are equal to two right angles, the two angles OAB, OBA are together equal to two thirds of two right angles ; and since AO is equal...
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Proceedings of the Royal Philosophical Society of Glasgow, Volumen11

Royal Philosophical Society of Glasgow - 1879
...capable of acting independently of each other, and in co-operation with each other. When I demonstrate that the three angles of every triangle are equal to two right angles, or that in a righi^angled triangle the square upon the side subtending the right angle is equal to the sum...
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History of the Transmission of Ancient Books to Modern Times: Together with ...

Isaac Taylor - 1879 - 401 páginas
...more readily, and by a simpler and more compact process, than that of the other; If it were denied that the three angles of every triangle are equal to two right angle's, an actual measurement of lines, or the placing of two pieces of card one over the other, would...
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Practical geometry for art students, Volumen5

John Carroll (art master.) - 1881
...angle at M. Produce the lines till they meet in O. The angle at O will be equal to the angle at N ; for the three angles of every triangle are equal to two right angles. — Euclid i. 32 cor. Problem 15. — To construct an isosceles triangle, the base FG and the vertical...
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The Diet Cure: An Essay on the Relations of Food and Drink to Health ...

Thomas Low Nichols - 1881 - 88 páginas
...abstinence, which is safe and sure. All this is like saying over and over again, two and two make four : the three angles of every triangle are equal to two right angles : things which are equal to the same thing are equal to each other. A natural diet is always a condition...
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Mathematical Instruments: Their Construction, Adjustment, Testing and Use ...

John Fry Heather - 1884
...to the two interior angles HIA and HAT; and because the vertical angles ATH and iv E are equal, and that the three angles of every triangle are equal to two right angles, therefore the two angles VIE and s EH are, together, equal to the two angle? AK v and HA i, and therefore...
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Hermathena, Volumen5

1885
...isosceles, and lastly in the scalene; those that came after them proved the general theorem as follows: — "The three angles of every triangle are equal to two right angles." So also in the sections of a cone ; for they viewed the so-called " section of the rightangled cone...
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Practical Surveying: A Text-book for Students Preparing for Examinations Or ...

George William Usill - 1889 - 272 páginas
...equal to the two interior angles H i A and HA i ; and because the angles A v H and iv E are equal, and that the three angles of every triangle are equal to two right angles, therefore the two angles VIE and s EH are together equal to the two angles AH v and HA i, and therefore...
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