如图,OC平分∠BOD,
人气:150 ℃ 时间:2019-12-13 17:44:42
解答
因为OC平分∠BOD,∠COD=35°
所以∠BOD=2∠COD=2×35°=70°
又因为∠AOD=110°,∠BOD=70°
所以∠AOB=∠AOD+∠BOD=110°+70°=180°
答:∠AOB等于180° .
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