The converse of the theorem says that if, \({a^2} = {b^2} + {c^2}\) then you have a right-angled triangle and furthermore, the right angle is directly opposite \(a\) (the hypotenuse). We can ...

Pythagoras' theorem can also be used to solve 3D problems ... Lengths VA, VB, VC and VD are each 8cm. M is the mid point of the square base.