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Let ABCD be a parallelogram. Prove that AB^2 + BC^2 + CD^2 +DA^2 = AC^2 + BD^2

Let ABCD be a parallelogram. Prove that AB^2 + BC^2 + CD^2 +DA^2 = AC^2 + BD^2

Grade:12th pass

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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