Răspuns :
sper ca intelegi scrisul meu oribil si ca intelegi rezolvarea
![Vezi imaginea Galeks13579p5ds21](https://ro-static.z-dn.net/files/dbd/52dbc7981b810d9357ebc1b3a3ab0674.jpg)
A =l²√3/4
A= 4²√3/4
A= 16√3/4
A= 4√3 cm ²
A=(3√3)²√3/4
A=9×3√3/4
A= 27√3/4 cm
A= 4²√3/4
A= 16√3/4
A= 4√3 cm ²
A=(3√3)²√3/4
A=9×3√3/4
A= 27√3/4 cm