tolong d jawab ya kk

jawab

volume  tabung = 2.310 liter
r = 70 cm = 7 dm
V = π r² t
22/7 (7)² (t)= 2.310
154 t = 2.310
t = 15 dm

luas tanpa tutup = π r²  + 2 π r t = π r (r + 2t)
L = 22/7 (7) (7 +2x15)
L = 22 (7 + 30)
L = 22(37)
L = 814 dm² = 814. 00 cm²