tolong dijawab ya kak no. 9 dan 10

jawab

9)
V = 88 liter
t = 70 cm = 7 dm

V = π r² t
r²  = V/(π. t)
r²  = 88/ (22/7 x 7) = 88/22= 4
r = √4
r  =2 dm 


10)
rbola = 6 cm
V bola = 4/3 π r³ = (4/3)(π)(6³)=  288 π

rtabung = 10 cm
luas alas tabung = π r² = 100 π

Tinggi air naik = Volume bola   : luas alas tabung
t  = 288 π/100π
t = 2,88 cm