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en.wikipedia.org/wiki/Pythagorean_theorem

In mathematics, the Pythagorean theorem, or Pythagoras's theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle.

www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-geometry/cc-8th-pythagorean-theorem/v/the-pythagorean-theorem

The Pythagorean theorem consists of a formula a^2+b^2=c^2 which is used to figure out the value of (mostly) the hypotenuse in a right triangle. The a and b are  ...

www.mathsisfun.com/pythagoras.html

Pythagoras' Theorem. Pythagoras. Over 2000 years ago there was an amazing discovery about triangles: When a triangle has a right angle (90°) .

www.calculator.net/pythagorean-theorem-calculator.html

Pythagorean Theorem. The Pythagorean Theorem, also known as Pythagoras' theorem, is a fundamental relation between the three sides of a right triangle. Given ...

mathworld.wolfram.com/PythagoreanTheorem.html

A clever proof by dissection which reassembles two small squares into one larger one was given by the Arabian mathematician Thabit ibn Kurrah (Ogilvy 1994, ...

www.youtube.com/watch?v=WqhlG3Vakw8

May 3, 2017 ... Math Antics - The Pythagorean Theorem. 1,250,280 views1.2M views. • May 3, 2017. 16K. 1K. Share. Save. 16,239 / 1,084 ...

www.youtube.com/watch?v=uthjpYKD7Ng

Jan 18, 2016 ... This lesson covers the Pythagorean Theorem, which states that the sum of the squares of the lengths of the legs of a right triangle is equal to the ...

www.cut-the-knot.org/pythagoras

The Pythagorean (or Pythagoras') Theorem is the statement that the sum of (the areas of) the two small squares equals (the area of) the big one. In algebraic terms ...

www.mathplanet.com/education/pre-algebra/right-triangles-and-algebra/the-pythagorean-theorem

One of the best known mathematical formulas is Pythagorean Theorem, which provides us with the relationship between the sides in a right triangle. A right ...

www.calculatorsoup.com/calculators/geometry-plane/pythagorean-theorem.php

What is the Pythagorean Theorem? The Pythagorean Theorem states that the sum of the squared sides of a right triangle equals the length of the hypotenuse ...