Pythagoras' Theorem


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The beauty of Pythagoras' Theorem is its simplicity. But even so, there are many applications of this theorem, which seems to have been known by ancient Babylonians.

Pythagoras' Theorem states that the sum of squares on two smaller sides of the right angled triangle are equal to the square on hypotenuse:

You can try to prove this theorem when you do Pythagoras' Theorem worksheet. Otherwise see some other web pages which have interactive proofs on the left-hand side.



See about Pythagoras himself here.

See some nice interactive proofs of Pythagoras' Theorem by clicking on the links below:

Proof which will remind you of areas of triangles.

Proof which works well with our worksheet.



Learn about other ancient Greeks contributions to mathematics.

Thales lived before Pythagoras. Can you tell when?


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