如图,点I和O分别是△ABC的内心和外心,则∠AIB和∠AOB的关系为( )
A.∠AIB=∠AOB | B.∠AIB≠∠AOB |
C.4∠AIB-∠AOB=360° | D.2∠AOB-∠AIB=180° |
相关知识点
推荐试卷
如图,点I和O分别是△ABC的内心和外心,则∠AIB和∠AOB的关系为( )
A.∠AIB=∠AOB | B.∠AIB≠∠AOB |
C.4∠AIB-∠AOB=360° | D.2∠AOB-∠AIB=180° |
试题篮
()