dau coronaaaaaaaaaaa
![Dau Coronaaaaaaaaaaa class=](https://ro-static.z-dn.net/files/d5e/7945b63d46b71eef12bf51a871a6e9aa.jpg)
Răspuns:
Explicație pas cu pas:
∆ABC, isoscel }
AD, înălțime } → BD = BC/2 = 6/2 = 3cm