Answer :
[tex]P= 27 \ cm^2 \\ \\P=\frac{1}{2} e * f \\ \\ f =3x , \ e = 2x \\ \\27=\frac{1}{2}*2*3x \\ \\27=3x/:3[/tex]
[tex]x=3 \\ \\ f =3x =3 *3= 9 \ cm \\ \\ \ e = 2x = 2*3 = 6cm[/tex]
[tex]x=3 \\ \\ f =3x =3 *3= 9 \ cm \\ \\ \ e = 2x = 2*3 = 6cm[/tex]
![View image Аноним](https://us-static.z-dn.net/files/d65/bd3645581f718520b4644564802b975c.png)