# How to Derive the Pythagorean Theorem from Heron's Formula?

We are going to derive the Pythagorean Theorem from Heron's formula for the area of a triangle. This is not the best proof since it probably involves circular reasoning as most proofs of Heron's fo...
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http://www.wikihow.com/Derive-the-Pythagorean-Theorem-from-Heron%27s-Formula

## How to Use the Pythagorean Theorem?

Over 2,500 years ago, the Greek mathematician Pythagoras formulated a theory still used today.The Pythagorean Theorem states the sum of the squares in a right triangle equals the square of the hypo...
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http://www.wikihow.com/Use-the-Pythagorean-Theorem

## How to Prove the Pythagorean Theorem?

The Pythagorean theorem allows you to work out the length of the third side of a right triangle when the other two are known. And more.It is named after Pythagoras of Samos, who discovered and prov...
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http://www.wikihow.com/Prove-the-Pythagorean-Theorem

## How to Calculate the Pythagorean Theorem?

Greek mathematician Pythagoras developed the theorem that in a right triangle (which is a triangle that has one 90-degree right angle) the square of the length of the hypotenuse (which is the side ...
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http://www.ehow.com/how_8463532_calculate-pythagorean-theorem.html

## Basic Pythagorean Theorem?

The Pythagorean theorem is stated in the classic formula: "a squared plus b squared equals c squared." Many people can recite this formula from memory, but they may not understand how it is used in...
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http://www.ehow.com/info_8673064_basic-pythagorean-theorem.html