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" Any two sides of a triangle are together greater than the third side. "
Proceedings of the Edinburgh Mathematical Society - Página 9
por Edinburgh Mathematical Society - 1894
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Review of Reviews and World's Work, Volumen49

Albert Shaw - 1914
...obvious fact that the shortest distance from one point to another is as "the crow flies"; and stated his proposition that any two sides of a triangle are together greater than the third. Ask the average boy to prove this as a general theorem: he will draw a perfect figure, measure the...
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The Querrils

Stacy Aumonier - 1919 - 352 páginas
...man with a sense of form can see at a glance. I don't want a man to spend half the morning telling me that any two sides of a triangle are together greater than the third side. I also object to his method of proving that some quite obvious and useless proposition is wrong...
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Space, Time and Gravitation: An Outline of the General Relativity Theory

Sir Arthur Stanley Eddington - 1923 - 218 páginas
...true geometry? Phys. Yes. Our experimental work proves it true. Rel. How, for example, do you prove that any two sides of a triangle are together greater than the third side? Phys. I can, of course, only prove it by taking a very large number of typical cases, and I am...
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Plane Geometry

Walter Burton Ford, Charles Ammermann - 1923 - 232 páginas
...meet at the point D within the triangle, and if AB > AC, prove that DB > DC. 40. Prove that the sum of any two sides of a triangle are together greater than the third side. [HiNT. Given the A ABC. To prove AB + AC > BC. Proof. Prolong BA to D making AD = AC. Join D...
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Plane and Solid Geometry

Walter Burton Ford, Charles Ammerman - 1923 - 356 páginas
...meet at the point D within the triangle, and if AB > AC, prove that DB > DC. 40. Prove that the sum of any two sides of a triangle are together greater than the third side. [HINT. Given the A ABC. To prove AB + AC > BC. Proof. Prolong BA to D making AD = AC. Join D...
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Educational Review

1893
...already proved. Euclid demonstrates things more axiomatic by far. He demonstrates what every dog knows, that any two sides of a triangle are together greater than the third. Yet after he has finished his demonstration, that straight lines making with a transversal equal alternate...
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Educational Review, Volumen6

1893
...already proved. Euclid demonstrates things more axiomatic by far. He demonstrates what every dog knows, that any two sides of a triangle are together greater than the third. Yet after he has finished his demonstration, that straight lines making with a transversal equal alternate...
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Non-Euclidean Geometry: A Critical and Historical Study of Its Development

Roberto Bonola - 1955 - 389 páginas
...Euclid without it. Euclid demonstrated things more axiomatic hy far. He proves what every dog knows, that any two sides of a triangle are together greater than the third. Yet after he has finished his demonstration, that straight lines making with a transversal equal alternate...
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The Durham University Journal, Volumen1

University of Durham - 1879
...line equal to a given straight line. How many straight lines will the construction give ? 2. Prove that any two sides of a triangle are together greater than the third side. Prove by a geometrical construction that the difference between any two Bides of a triangle is...
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