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Given: ABCD is a quadrilateral
BC ∥AD , ∠A=90°
Prove: BD2-AC2=AD2-BC2
Answers: 2
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Given: ABCD is a quadrilateral
BC ∥AD , ∠A=90°
Prove: BD2-AC2=AD2-BC2
...
BC ∥AD , ∠A=90°
Prove: BD2-AC2=AD2-BC2
...
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