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Mathematics, 17.07.2020 21:01 medusa36

In quadrilateral ABDC, AB βˆ₯ CD. Which additional piece of information is needed to determine that ABDC is a parallelogram? AB β‰… CD
AC β‰… BD
AB βŠ₯ BD
CD βŠ₯ BD

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