摘要:9.如下图.∠1与∠3互补.∠1与∠2互余.∠3=115°.则∠4等于 A.155° B.115° C.135° D.125°
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∠COD和∠BOE
∠COD和∠BOE
,与∠DOE互补的角是∠AOC和∠BOC
∠AOC和∠BOC
,与∠COD互补的角是∠AOE
∠AOE
,与∠COD相等的角是∠BOE
∠BOE
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