tolong ya kakak please. yg no 10,12,13

jawaban No.12
Diket : V = 4.030 cm²
T = 13 cm
Dit : La?
Jwb : V = T×La
La = V : T

4.030 = 13×La
La = 4.030 : 13
= 310
Semoga bermanfaat ,maaf kalo salah