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Mathematics, 17.07.2020 21:01 kenzie19169

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

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