∵∠AO⊥BD,CO⊥DO
∴∠AOB+∠COD=180°
则∠COA+∠BOD=360°-180°=180°
∵∠AOC:∠BOD=3:2
∴设“1”份为X
3X+2X=180
5X=180
X=36°
则∠BOD=36°×2=72°
∵∠BOA=90°,∠DOB=72°
则∠AOD=∠BOA+∠DOB
∴∠AOD=90°+72°=162°
∵∠AO⊥BD,CO⊥DO
∴∠AOB+∠COD=180°
则∠COA+∠BOD=360°-180°=180°
∵∠AOC:∠BOD=3:2
∴设“1”份为X
3X+2X=180
5X=180
X=36°
则∠BOD=36°×2=72°
∵∠BOA=90°,∠DOB=72°
则∠AOD=∠BOA+∠DOB
∴∠AOD=90°+72°=162°