Contact us
Choose a category below so we can get back to you as quickly as possible.
∵AD‖BC,∴∠EAD=∠B,∠DAC=∠C,∵AD是∠EAC的平分線,∴∠DAE=∠DAC,∴∠B=∠C,∴AB=AC,即△ABC的邊必須滿足的條件為AB=AC,故答案為:AB=AC.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.