字典翻译 问答 其它 如图所示,已知:△ABC中,BD,CE分别是△ABC的两条角平分线相交于点O,求∠BOC的度数.(1)当∠ABC=,∠ACB=时,∠ABC+∠ACB=________,(∠ABC+∠ACB)=________,∠BOC=________(2)
问题标题:
如图所示,已知:△ABC中,BD,CE分别是△ABC的两条角平分线相交于点O,求∠BOC的度数.(1)当∠ABC=,∠ACB=时,∠ABC+∠ACB=________,(∠ABC+∠ACB)=________,∠BOC=________(2)
问题描述:

如图所示,已知:△ABC中,BD,CE分别是△ABC的两条角平分线相交于点O,求∠BOC的度数.

(1)

当∠ABC=,∠ACB=时,∠ABC+∠ACB=________,(∠ABC+∠ACB)=________,∠BOC=________

(2)

当∠A=时,∠ABC+∠ACB=________(∠ABC+∠ACB)=________,∠BOC=________

(3)

当∠A=时,(∠ABC+∠ACB)=________,∠BOC=________

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  (1)
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