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Libros Libros 61 - 70 de 121 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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Annual Report and Documents, Volúmenes35-42

New York (State) School for the deaf, White Plains - 1854
...triangle be produced, the exterior angle will be equal to the two interior and opposite angles ; and the three angles of every triangle are equal to two right angles." DBC Let ABC be a triangle, in which the side BC is produced towards D, then will the exterior angle...
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FUNDAMENTAL PHILOSOPHY.

REV JAMES BALMES. - 1856
...to say, to a little more or less, but never be perfect exactness. Consequently we could not assert that the three angles of every triangle are equal to two right angles ; all that we could say would be, that so far as our experience goes, we have observed that in all...
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Things new and old in religion, science, and literature

Thing - 1857
...geometry ; he proceeded till he arrived at a proposition similar to the thirty-second of Euclid, viz., that the three angles of every triangle are equal to two right angles. While engaged with this theorem, he was surprised by his father, who, on learning the object of his...
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Baptism in Its Mode and Subjects

Rev. Alexander Carson - 1857 - 552 páginas
...has not a head for the philosophy of language : and I say this with as little bad feeling as I say that the three angles of every triangle are equal to two right angles. PASSAGES OF SCRIPTURE QUOTED OR REFERRED TO Chap. Ver. Page GENESIS, i. 26 .... 147 lii. 1 218 Chap....
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Elements of Geometry and Conic Sections

Elias Loomis - 1858 - 234 páginas
...part of four right angles (Prop. II., 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 OA*B, OBA are together equal to two thirds of two B^ right angles ; and since AO is...
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Report of the Annual Meeting, Volumen27

British Association for the Advancement of Science. Meeting - 1858
...to their investigation practically and scientifically, 101. Angles, on infinite, 3 ; a demonstration that the three angles of every triangle are equal to two right, 4. Animals, on the presence of copper in the tissues of, 55 ; on the dispersion of domestic, in connexion...
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Report of the Annual Meeting, Volumen27

British Association for the Advancement of Science - 1858
...to their investigation practically and scientifically, 101. Angles, on infinite, 3 ; a demonstration that the three angles of every triangle are equal to two right, 4. Animals, on the presence of copper in the tissues of, 55 ; on the dispersion of domestic, in connexion...
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A Treatise on Mathematical Instruments, Including Most of the Instruments ...

John Fry Heather - 1859 - 170 páginas
...equal to the two angles HI A and '•A HAI; and because the vertical angles AVH and IVE 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 HAI, and therefore...
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The Artillerists̓ Manual, and British Soldiers̓ Compendium

Frederick Augustus Griffiths - 1859 - 354 páginas
...radii, its sides become the sines of the opposite angles, or the cosines of the adjacent augles. 5. The three angles of every triangle are equal to two right angles ; hence the obilque angles of a right-angled triangle are each other's complements. 6. The sum of the...
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A test-book for students; comprising sets of examination papers upon ...

Thomas Stantial - 1859
...and all the angles made by any number of lines meeting in a point are equal to four right angles. B. The three angles of every triangle are equal to two right angles. C. The angles at the base of an isosceles triangle are equal to one another. D. Construct a parallelogram...
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