摘要：如图4.直线AB与CD相交于O.∠EOD=90°.正确填写下列两角关系的名称. ∠1与∠2: ∠2与∠3: ∠2与∠4: ∠1与∠4:
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如图，直线AB与CD相交于O，∠EOD=90°，正确填写下列两角关系的名称.
∠1与∠2:______________________________________________________
∠2与∠3:______________________________________________________
∠2与∠4:______________________________________________________
∠1与∠4:______________________________________________________
