题目内容
如图,⊙O中AB=BC=CD,∠BAC=25°,∠AED=
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A.50° B.65° C.75° D.105°
A.70° B.110° C.55° D.60°
A.2个 B.4个 C.6个 D.8个
A.∠A=∠B B.∠A=∠ACB C.∠A=2∠ACB D.∠A=2∠DCB