Mathematics for IGCSE & O level - Mensuration (Section 5 - No. 22)
If a cylinder has a diameter of 4 cm and a height of 5 cm, what is its volume?
62.8 cm³
125.6 cm³
62.8 cm
31.4 cm³
คำอธิบาย
Radius = Diameter / 2 = 2 cm. Volume = πr²h. Volume ≈ 3.14 * 2² * 5 ≈ 62.8 cm³