D and E are points on the sides CA and CB respectively of a triangle A – InterviewSolution

InterviewSolution

1.	D and E are points on the sides CA and CB respectively of a triangle ABC right angled at C. Prove that AE2+BD2=AB2+DE2.
Answer» D and E are points on the sides CA and CB respectively of a triangle ABC right angled at C. Prove that $A E^{2} + B D^{2} = A B^{2} + D E^{2}$ .

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