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In mathematics, the Pythagorean theorem or Pythagoras' theorem is a fundamental relation in Euclidean geometry between the three sides of a right triangle.It states that the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares on the other two sides.
Using the Pythagorean theorem to compute two-dimensional Euclidean distance In mathematics , the Euclidean distance between two points in Euclidean space is the length of the line segment between them.
A Proof of the Pythagorean Theorem From Heron's Formula at cut-the-knot; Interactive applet and area calculator using Heron's Formula; J. H. Conway discussion on Heron's Formula "Heron's Formula and Brahmagupta's Generalization". MathPages.com. A Geometric Proof of Heron's Formula; An alternative proof of Heron's Formula without words ...
Theorem. Let V {\displaystyle V} be the inner product space C [ − π , π ] . {\displaystyle C[-\pi ,\pi ].} Then the sequence (indexed on set of all integers) of continuous functions e k ( t ) = e i k t 2 π {\displaystyle e_{k}(t)={\frac {e^{ikt}}{\sqrt {2\pi }}}} is an orthonormal basis of the space C [ − π , π ] {\displaystyle C[-\pi ...
Triangles based on Pythagorean triples are Heronian, meaning they have integer area as well as integer sides. The possible use of the 3 : 4 : 5 triangle in Ancient Egypt, with the supposed use of a knotted rope to lay out such a triangle, and the question whether Pythagoras' theorem was known at that time, have been much debated. [3]
Pappus's area theorem describes the relationship between the areas of three parallelograms attached to three sides of an arbitrary triangle. The theorem, which can also be thought of as a generalization of the Pythagorean theorem , is named after the Greek mathematician Pappus of Alexandria (4th century AD), who discovered it.
In geometry, a three-dimensional space (3D space, 3-space or, rarely, tri-dimensional space) is a mathematical space in which three values (coordinates) are required to determine the position of a point. Most commonly, it is the three-dimensional Euclidean space, that is, the Euclidean space of dimension three, which models physical space.
The Pythagoras tree is a plane fractal constructed from squares. Invented by the Dutch mathematics teacher Albert E. Bosman in 1942, [ 1 ] it is named after the ancient Greek mathematician Pythagoras because each triple of touching squares encloses a right triangle , in a configuration traditionally used to depict the Pythagorean theorem .