直线AB,CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=4:1,求∠AOF 的度数

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/05/05 07:58:43

OE平分∠BOD ∠
∠BOD=2∠BOE
∠AOD:∠BOE=4:1
∠AOD:∠BOD=4:2=2:1
∠AOD+∠BOD=180°
∠AOD=120° ∠BOD=60°
∠BOE=∠DOE=30°
∠AOC=∠BOD=60° ∠AOD=∠BOC=120°
OF平分∠COE
∠COF=∠BOF=120°/2=60°
∠AOF=∠AOC+∠COF=60°+60°=120°

直线AB,CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=4:1,求∠AOF 的度数直线AB、CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=4:1,求∠AOF的度数已知直线AB,CD相交于点O,OE平分∠BOD,OF平分∠BOC,∠AOD：∠BOE=4:1,求∠AOF的度数. 直线AB、CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=4:1,求∠EOF的度数. 如图,已知直线AB,CD交于O点,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=4:1,求∠AOF. 如图所示,已知直线AB,CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=7:1,求∠AOF的度数如图,直线AB、CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD：∠BOE=7:1,求∠AOF的度数. 已知,直线AB,CD相交于点O,OE平分交∠BOD,OF平分∠COE,∠2=4∠1,求∠AOF的度数初一数学相交线题如图,直线AB、CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=4:1求∠AOF 如图,直线AB和CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD：∠BOE=4:1,求∠EOF的度数如图,直线AB、CD相交于点O,OE平分∠BOD,OF平分∠COE,∠AOD:∠BOE=4:1求∠EOF的度数如图,直线AB,CD相交于点O,OE平分∠BOD,∠AOD=2∠AOC,求∠BOE和∠COE的度数.