Mathematics for IGCSE & O level - Mensuration (Section 5 - No. 39)
The volume of a cylinder is 300π cm³ and the radius is 5cm. Find the height.
12 cm
10 cm
1.2 cm
15 cm
คำอธิบาย
Volume = πr²h. Therefore, height (h) = volume/ πr² = 300π / π * 5² = 12cm