Roots to research: a vertical development of mathematical problems | Therefore, the angle between the side of lengths a and b in the original triangle is a right angle |
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It states that the area of the square whose side is the the side opposite the is equal to the sum of the areas of the squares on the | The triangles are shown in two arrangements, the first of which leaves two squares a 2 and b 2 uncovered, the second of which leaves square c 2 uncovered |
Less easily explained is another rule given by Apastamba — one that strongly resembles some of the geometric algebra in Book II of Euclid's Elements.
2This proof first appeared after a computer program was set to check Euclidean proofs | Arbitrary triangle Generalization of Pythagoras's theorem by |
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Sometimes, by abuse of language, the same term is applied to the set of coefficients g ij | For full text of 2nd edition of 1940, see Elisha Scott Loomis |
Translated by Morrow, Glenn R | The is a generalization of the of vectors |
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President then a see diagram | : web page version using Java applets from by Prof |