tolong bantu yha gys di kasih caranya nnti tak ksh pion lebih

No 3
r = 28/2 = 14 cm
t = 23 cm
r bola = 14/2 = 7 cm

V air naik = V 3 bola
22/7 x14 x14xt = 4/3 x3x22/7 x7x7x7
22 x 2 x 14 x t = 4 x 22 x 7 x 7
t = (4x22x7x7)/(22x2x14)
t = (4x7x7)/(2x14)
t = (4x7)/(2x2)
t = 7 cm

Jadi tinggi air sekarang = t air awal + 7 cm