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  2. Triangle inequality - Wikipedia

    en.wikipedia.org/wiki/Triangle_inequality

    When d is chosen such that d = a/3, it generates a right triangle that is always similar to the Pythagorean triple with sides 3, 4, 5. Now consider a triangle whose sides are in a geometric progression and let the sides be a, ar, ar 2. Then the triangle inequality requires that

  3. Pythagorean theorem - Wikipedia

    en.wikipedia.org/wiki/Pythagorean_theorem

    A Pythagorean triple has three positive integers a, b, and c, such that a 2 + b 2 = c 2. In other words, a Pythagorean triple represents the lengths of the sides of a right triangle where all three sides have integer lengths. [1] Such a triple is commonly written (a, b, c). Some well-known examples are (3, 4, 5) and (5, 12, 13).

  4. Plimpton 322 - Wikipedia

    en.wikipedia.org/wiki/Plimpton_322

    Advocates of this proposal point out that regular reciprocal pairs (x,1/x) show up in a different problem from roughly the same time and place as Plimpton 322, namely the problem of finding the sides of a rectangle of area 1 whose long side exceeds its short side by a given length c (which nowadays might be computed as the solutions to the ...

  5. Pythagorean triple - Wikipedia

    en.wikipedia.org/wiki/Pythagorean_triple

    A triangle whose side lengths are a Pythagorean triple is a right triangle and called a Pythagorean triangle. A primitive Pythagorean triple is one in which a, b and c are coprime (that is, they have no common divisor larger than 1). [1] For example, (3, 4, 5) is a primitive Pythagorean triple whereas (6, 8, 10) is not.

  6. Law of cosines - Wikipedia

    en.wikipedia.org/wiki/Law_of_cosines

    Fig. 1 – A triangle. The angles α (or A), β (or B), and γ (or C) are respectively opposite the sides a, b, and c.. In trigonometry, the law of cosines (also known as the cosine formula or cosine rule) relates the lengths of the sides of a triangle to the cosine of one of its angles.

  7. Pythagorean Triangles - Wikipedia

    en.wikipedia.org/wiki/Pythagorean_Triangles

    Chapter 13 relates Pythagorean triangles to rational points on a unit circle, Chapter 14 discusses right triangles whose sides are unit fractions rather than integers, and Chapter 15 is about the Euler brick problem, a three-dimensional generalization of Pythagorean triangles, and related problems on integer-sided tetrahedra.

  8. Man's 'Santa-antics' get him stuck in chimney while running ...

    www.aol.com/news/mans-santa-antics-gets-him...

    A man who was running away from police has been arrested after getting stuck in a chimney while trying to hide from them, authorities said. The incident occurred on Tuesday evening in Fall River ...

  9. Hypotenuse - Wikipedia

    en.wikipedia.org/wiki/Hypotenuse

    In a right triangle, the hypotenuse is the side that is opposite the right angle, while the other two sides are called the catheti or legs. [7] The length of the hypotenuse can be calculated using the square root function implied by the Pythagorean theorem. It states that the sum of the two legs squared equals the hypotenuse squared.

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