tolong dibantu ..........

v = 22 liter = 22 dm^3
t = 70 cm = 7 dm

a) v = pi × r^2 × t
r^2 = v / pi × t
r^2 = 22 / (22/7) × 7
r^2 = 1
r = akar(1)
r = 1

L = pi × r^2
= 3,14 × 1 dm
= 3,14 dm^2

b) v = pi × r^2 × t
r^2 = v / pi × t
r^2 = 22 / (22/7) × 7
r^2 = 1
r = akar(1)
r = 1