How to prove Pythagoras' theorem

A one-minute video showing you how to prove Pythagoras' theorem: that the area of the square on the longest side of a right-angled triangle is equal to the sum of the squares on the other two sides.

How to prove Pythagoras' Theorem

Some paper, a pencil, some scissors and a ruler

WHAT YOU NEED: Paper, pencil, scissors and a ruler.

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