摘要:求证:(1)AE=BF,(2)AE⊥BF.
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如图,AE∥BF,AC平分∠BAE,且交BF于点C,在AE上取一点D,使得AD=BC,连接CD和BD,BD交AC于点O.
(1)求证:△AOD≌△COB;
(2)求证:四边形ABCD是菱形.
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如图,AE∥BF,AC平分∠BAE,且交BF于点C,在AE上取一点D,使得AD=BC,连接CD和BD,BD交AC于点O.
(1)求证:△AOD≌△COB;
(2)求证:四边形ABCD是菱形.
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(1)求证:△AOD≌△COB;
(2)求证:四边形ABCD是菱形.