Mathematics for IGCSE & O level - Mensuration (Section 1 - No. 15)
A cylinder has diameter 9 cm and height 8 cm. Calculate its volume.
445.5 cm³
508.7 cm³
54.9 cm³
23.5 cm³
คำอธิบาย
Volume = πr²h, radius is diameter/2. Volume ≈ π * (4.5)² * 8 = 508.7 cm³