plss dauu coroanaaaa
![Plss Dauu Coroanaaaa class=](https://ro-static.z-dn.net/files/de7/37beb330884d77d6fd489d8b09d2dc14.jpg)
Răspuns:
Ab=64⇒l=8 cm
V=Abxh
640=64xh⇒h=10 cm
Al=Pbxh
Pb=4x8=32 cm
Al=32x10=320 cm²
Succes!