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Mathematics, 25.03.2021 05:40 Lujfl

In quadrilateral ABDC, AB ∥ CD. Which additional piece of information is needed to determine that ABDC is a parallelogram? AB ≅ CD
AC ≅ BD
AB ⊥ BD
CD ⊥ BD


In quadrilateral ABDC, AB ∥ CD. Which additional piece of information is needed to determine that A

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