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Mathematics, 03.03.2021 23:30 sun64

In quadrilateral ABCD, AB =CD, AB || CD, and BF and DE are perpendicular to diagonal AC
at points F and E.
D
AD
А
Prove: De = BF

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In quadrilateral ABCD, AB =CD, AB || CD, and BF and DE are perpendicular to diagonal AC
at po...
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