如图,若∠AOC=∠BOD,那么∠AOD与∠BOC的关系是( ) A.∠AOD>∠BOC     

,若∠AOC=BOD,那么∠AOD与∠BOC的关系是(  )

A.AOD>BOC               B.AOD<BOC

C.AOD=BOC               D.无法确定

答案

C.因为∠AOC=BOD,

所以∠AOC+COD=BOD+COD,

即∠AOD=BOC.

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