Question

Find the volume of a can in m^3 if its diameter is 20 cm and its height is 30 cm

Answer 1

0.00942 m³

Explanation:

the volume of a cylinder ( can ) = πr²h ( r is the radius and h the height )

diameter = 20 ⇒ r =
`(20)/(2)` = 10

express dimensions in m since volume in m³

r = 10 cm = 0.1 m and h = 30 cm = 0.3 m

V = π × 0.1² × 0.3 ≈ 0.00942 m³