Mathematics, 10.05.2020 18:57 mahmed78

Given: ABCD is a quadrilateral, BC║AD, m∠ A = 90°

Prove: BD^2 − AC^2 = AD^2 − BC^2

Please Help

Given: ABCD is a quadrilateral, BC║AD, m∠ A = 90°Prove: BD^2 − AC^2 = AD^2 − BC^2 Please Help

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Given: ABCD is a quadrilateral, BC║AD, m∠ A = 90°

Prove: BD^2 − AC^2 = AD^2 − BC^2
...

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