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Pythagorean Theorem  from Wolfram MathWorld
For a right triangle with legs a and b and hypotenuse c, a^2+b^2=c^2. (1) Many different proofs exist for this most fundamental of all geometric theorems. The theorem ...
Pythagorean Triple  from Wolfram MathWorld
A Pythagorean triple is a triple of positive integers a, b, and c such that a right triangle exists with legs a,b and hypotenuse c. By the Pythagorean theorem, this is equivalent to finding positive integers a, b, and c satisfying a^2+b^2=c^2. (1) The smallest and bestknown Pythagorean triple is (a,b,c)=(3,4,5). The right triangle having these side lengths is sometimes called the 3, 4, 5 ...
Pythagoras Theorem  Math Is Fun
Pythagoras' Theorem. Pythagoras . Over 2000 years ago there was an amazing discovery about triangles: When a triangle has a right angle (90°) ..... and squares are made on each of the three sides, ...
Pythagorean Triples  Maths Resources
Example: The smallest Pythagorean Triple is 3, 4 and 5. Let's check it: 3 2 + 4 2 = 5 2. Calculating this becomes: 9 + 16 = 25. Yes, it is a Pythagorean Triple!
Pythagorean trigonometric identity  Wikipedia
The Pythagorean trigonometric identity is a trigonometric identity expressing the Pythagorean theorem in terms of trigonometric functions.Along with the sumofangles formulae, it is one of the basic relations between the sine and cosine functions.. The identity is given by the formula: + = for a right angle of triangles. And for all triangles the following list apply:
Pythagorean Theorem Activity by Idea Galaxy  Teachers Pay ...
This pack of three games helps student practice using the Pythagorean Theorem to finding a missing side of a triangle, identify if a triangle is a right triangle, and find the distance between to points.
IXL  Pythagorean Theorem (Geometry practice)
Improve your math knowledge with free questions in "Pythagorean Theorem" and thousands of other math skills.
IXL  Pythagorean Inequality Theorems (Geometry practice)
Improve your math knowledge with free questions in "Pythagorean Inequality Theorems" and thousands of other math skills.
Formulas for generating Pythagorean triples  Wikipedia
Besides Euclid's formula, many other formulas for generating Pythagorean triples have been developed.
Pythagorean Tuning  Basic concepts  Medieval
Pythagorean Tuning 2. Basic concepts. As mentioned above, Pythagorean tuning defines all notes and intervals of a scale from a series of pure fifths with a ratio of 3:2.Thus it is not only a mathematically elegant system, but also one of the easiest to tune by ear. To derive a complete chromatic scale of the kind common on keyboards by around 1300, we take a series of 11 perfect fifths:
