Question

Un dreptunghi cu lungimea de 9 cm si latimea de $\frac{2}{3}$ din lungime are aria egala cu....$cm^{2}$.

Answer 1

[tex]L=9~cm \\ l= \frac{2}{3}*9 \\ l=6~cm \\ A_{\boxed{~}}=L*l \\ A_{\boxed{~}}=9*6=\underline{54~cm^2}[/tex]

Answer 2

L=9cm
l=2/3
A=L*l
A=9*2/3
A=18/3=6cm patrati