因为∠BOC=2∠AOB
所清槐睁以∠AOC=3∠AOB
因为OD平分∠AOC
所以∠AOD=0.5∠AOC=1.5∠答岁AOB
因为∠BOD=14°
所以∠BOD=∠AOD-∠AOB=0.5∠AOB=14°
所明液以∠AOB=28°
解御埋:假设角aod=角尺誉doc=y,角aob为x,那么角bod为2x
{x+2x=2y
{y-x=14
解镇困蚂出y=42
x=28
∵∠BOC=2∠AOB
∴竖告∠AOC=3∠仔没AOB
∵OD平分∠AOC
∴念纤纳∠AOD=0.5∠AOC=1.5∠AOB
∵∠BOD=14°
∴∠BOD=∠AOD-∠AOB=0.5∠AOB=14°
∴∠AOB=28°
∠胡橡凯改AOC=∠AOB+∠BOC=3∠AOB
∠AOD=1/2∠AOC=3/2∠AOB
∠裤孙旁BOD=∠AOD-∠AOB=1/2∠AOB=14°
∠AOB=28°