因为(CD/2)²=AE×EB,所以AE×EB=36,与AE-BE=16联立方程,解得AE=18cm,BE=2cm
所以AB=AE+BE=20cm
已知:直径AB⊥弦,CD于E,AE-BE=16cm,CD=12cm,则AB=
已知:直径AB⊥弦,CD于E,AE-BE=16cm,CD=12cm,则AB=
数学人气：787 ℃时间：2019-08-22 18:17:02
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