△ABc与△DcB中Ac与BD交于E,∠A=∠D,AB=Dc当∠AEB=50°,求∠EBc?

2025-05-13 16:26:57
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回答1:

∠A=∠D,AB=Dc,BC=BC 得
△ABc与△DcB全等 则∠ACB=∠DBC=∠AEB/2=25°