如图,将一副三角板叠在一起,使直角顶点重合于点O,,则∠AOB+∠DOC=?

2025-06-21 01:03:59
推荐回答(1个)
回答1:

∠AOB+∠DOC=∠AOC+∠COB+∠COD
=∠AOC+∠BOD
=90°+90°
=180°