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Mathematics, 23.01.2021 08:00, leo4687
In trapezoid ABCD with legs AB and CD, the diagonals intersect each other at point O. Prove: OA•OB=OC•OD
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Answers: 3
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In trapezoid ABCD with legs AB and CD, the diagonals intersect each other at point O. Prove: OA•OB=O...
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