tolong jawab yaaaaaa sama caranya

24. volume limas = 1/3 × luas alas × t
1350 = 1/3 × s× s × 18
1350 = 6 × s × s
1350 × 1/ 6 = s^2
akar225 = s
15 cm = s

kll = 4 × s
= 4× 15
= 60 cm