摘要:10.已知:如图7.在⊙O中.AB是直径.四边形ABCD内接于⊙O. ∠BCD=130°.过D点的切线PD与直线AB交于点P.则∠ADP的度数为( ) A.45° B.40° C.50° D.65°
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已知:如图,在⊙O中,AB是直径,四边形ABCD内接于⊙O,
∠BCD=130°,过D点的切线PD与直线AB交于点P,则∠ADP的度数为( )![]()
| A.45° | B.40° | C.50° | D.65° |