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(2008•铜仁地区)如图,M是△ABC的边BC的中点,AN平分∠BAC,且BN...
(2008•铜仁地区)如图,M是△ABC的边BC的中点,AN平分∠BAC,且BN⊥AN,垂足为N,且AB=6,BC=10,MN=1.5,则△ABC的周长是( )
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A.28
B.32
C.18
D.25
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