Nomor 4 aja tolong di jawab yg benar ya

a. L = s × s
=5×5
=25cm²

b. L = s×s
=9×9
=81cm²

c.L = s×s
=15×15
= 225cm²

d. L =s×s
=20×20
=400cm²


Maaf kalau salah

gak jelas tolong foto ulang