Using Pythagoras in 3D to derive the Equation of a Sphere

This video intends not only to give an insight on a visual way of proving that Pythagoras theorem applies to more than the 2 dimensions we most commonly know of it in, but also, the video intends to give a visual representation of how we can start just by using Pythagoras in 2D to derive the general equation of a sphere. Sounds mad right? Hope you enjoy!


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