Aria dreptunghiului egala 36 cm patrati latura bc egala cu 3 radical din 3 cm de aflat ab urgent

[tex]\it \mathcal{A} =L\cdot \ell \Rightarrow 36=L\cdot3\sqrt3|_{:3} \Rightarrow 12=L\cdot\sqrt3 \Rightarrow L=\dfrac{^{\sqrt3)}12}{\ \sqrt3}=\dfrac{12\sqrt3}{3}=4\sqrt3cm[/tex]