Every geometry student knows a²+b²=c², but where did this famous theorem come from? And what, if anything, does it have to do with Pythagoras?

A few good places to start:

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# The Pythagorean Theorem

Every geometry student knows a²+b²=c², but where did this famous theorem come from? And what, if anything, does it have to do with Pythagoras?

A few good places to start: