∠DOE=54°∠COD=36°
解题过程:∠AOB=180°,∠AOD=2∠COD,∠BOD=2∠DOE,∠COD:∠DOC=2:3
所以,∠COD=3分之2∠DOE,
∠AOB=∠AOD+∠BOD=2∠COD+2∠DOE=3分之4∠DOE+2∠DOE
求出∠DOE=54°,∠COD=36°
∠DOE=54°∠COD=36°
解题过程:∠AOB=180°,∠AOD=2∠COD,∠BOD=2∠DOE,∠COD:∠DOC=2:3
所以,∠COD=3分之2∠DOE,
∠AOB=∠AOD+∠BOD=2∠COD+2∠DOE=3分之4∠DOE+2∠DOE
求出∠DOE=54°,∠COD=36°