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如图,△ABC和△ADE中,AB=AD,AC=AE,∠BAC=∠DAE,BC交DE于点O,∠BAD=a.(1)...
问题详情:如图,△ABC和△ADE中,AB=AD,AC=AE,∠BAC=∠DAE,BC交DE于点O,∠BAD=a.(1)求*:∠BOD=a.(2)若AO平分∠DAC,求*:AC=AD. (3)若∠C=30°,OE交AC于F,且△AOF为等腰三角形,则a=                       ...
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