Yg no. 31 gmn ya? Tolong jawab secepatnya yaa, makasii

Tinggi = t = 2,5 m = 25 dm
diameter = d = 42 cm => r = 21 cm = 2,1 dm
Volume tabung (volume air)
= πr^2 t
= 22/7 . 2,1 . 2,1 . 25
= 346,5 dm^3
= 346,5 liter
Waktu = 346,5 / 3 = 115,5 menit = 1 jam 55 menit 30 detik