如图所示，$\mathit{AB}$为$\odot O$的直径，点$C$在$\odot O$上，且$\mathit{OC}\perp \mathit{AB}$，过点$C$的弦$\mathit{CD}$与线段$\mathit{OB}$相交于点$E$，满足$\angle \mathit{AEC}=65°$，连接$\mathit{AD}$，则$\angle \mathit{BAD}=$　　度．