Mathematics for IGCSE & O level - Mensuration (Section 12 - No. 39)
The volume of a cylindrical tank is 600 m³. Its height is 6.5 m. Calculate the radius of its base.
5.7 m
6.8 m
7.7 m
5.5 m
คำอธิบาย
Volume of cylinder = πr²h, r = √ (Volume / πh) = √(600 / (π * 6.5)) = 5.5 m