EF = 12, FG = 10, GH = 8, HE = 9
Since ABCD ≅ EFGH:
AB = EF
DC = HG
AD = HE
BC = FG
Since AB = 12, EF = 12
Since BC = 10, FG = 10
Since DC = 8, GH = 8
Since AD = 9, HE = 9
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