(11·十堰)如图,Rt△ABC中,∠ACB=90°,DE过点C,且DE//AB,若∠ACD=500,则∠B的度数是( )
A.50° | B.40° | C.30° | D.25° |
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(11·十堰)如图,Rt△ABC中,∠ACB=90°,DE过点C,且DE//AB,若∠ACD=500,则∠B的度数是( )
A.50° | B.40° | C.30° | D.25° |
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