## Pythagoras Theorem: x2+y2 = z2. But Why ?

The Pythagoras theorem is named after the Greek mathematician Pythagoras. It is considered as one of the first mathematical proofs. This theorem is proved in many different ways and here I am with one of the proofs solved through geometry.

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### Pythagoras Theorem: x2+y2 = z2. But Why ?

The Pythagoras theorem is named after the Greek mathematician Pythagoras. It is considered as one of the first mathematical proofs. This theorem is proved in many different ways and here I am with one of the proofs...

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### The Dividing Border Line

Many Countries in the world share a common border. This hub gives an overview about those border lines between the countries

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### Why does 'Leaning Tower of Pisa' lean ?

"The Leaning Tower of Pisa" is considered as one of the most beautiful buildings in the world. This hub is about why the tower leans at an angle and restorations done to suppress the tilt. It also describes...

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### Why (a+b) 2 = a2+b2+2ab ?

Not everybody knows why a plus b whole square is i.e. (a+b) 2 = a2+b2+2ab and why exactly it has been generalized.So, here I come up with the geometrical proof that shows up the results.