一道数学题,谁会谁答o(>﹏<)o千万别憋着!

2025-01-03 21:35:06
推荐回答(1个)
回答1:

∠CAH+∠BAH=90°
∠CAH+∠ACH =90°
∠∠BAH=∠ACH
∠ABE=∠BAC=90°
AB=AC
△ACD≌△ABE
AD=BE=BD
∠ABC=∠CBE=45°
BC垂直平分DE