In a quadrilateral ABCD, ∠A+∠D=90∘ Prove that AC2+BD2=AD2+BC2 – InterviewSolution

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1.	In a quadrilateral ABCD, ∠A+∠D=90∘ Prove that AC2+BD2=AD2+BC2
Answer» In a quadrilateral ABCD, $∠ A + ∠ D = 90^{\circ}$ Prove that $A C^{2} + B D^{2} = A D^{2} + B C^{2}$

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