Mathematics for IGCSE & O level - Mensuration (Section 5 - No. 49)
The volume of a cylindrical tank is 600 m³. Its height is 6.5 m. Calculate the radius of its base.
4.9 m
5.3 m
6.6 m
2.1 m
คำอธิบาย
Volume = πr²h. r = sqrt(V / (πh)). r = sqrt(600 / (π * 6.5)) ≈ 4.9 m