Pythagoras Theorem
In this section there are activites relating to Pythagoras Theorem, which is one of the most fundamental results in geometry. It has been known for thousands of years, by most ancient civilisations, but it is named after a Greek mathematician and philosopher.
The full range of QQI activities on Pythagoras Theorem.

Use a GeoGebra activity to discover this famous Theorem.

Search for special triplets of numbers that satisfy Pythagoras Theorem.

Can you rearrange the triangles to prove Pythagoras Theorem?

A different spin on the classic how far can the ladder reach up the wall problems.

Can you find the longest possible distance in this box?

A short video giving step by step instructions on how to use Pythagoras Theorem to calculate the length of the hypotenuse of a right angled triangle.

In this video we see how to use Pythagoras Theorem to find the length of one of the shorter sides of a right angled triangle.

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