tolong dijwb secepatnya dan dgn cara

[tex]k = 4 s \\ 88 = 4(3x + 4) \\ 88 = 12x + 16 \\ 72 = 12 x \\ x = 6[/tex]

[tex]s = 3x + 4 \\ s = 3 \times 6 + 4 \\ s = 18 + 4 \\ s = 22 \: cm[/tex]

[tex]L = s \times s \\ L = 22 \times 22 \\ L = 484 \: cm {}^{2} [/tex]

Jadi, jawabannya D.