Core stretch
Triangle \(UVW\) is right-angled isosceles at \(U\), with \(UV=UW\). The perpendicular from \(U\) meets \(VW\) at \(H\), and \(T\) is any point on \(VW\). Prove that \(VT^2+WT^2=2UT^2\).[3]
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