Given:
Big cone : diameter = 12 cm ; height = 18 cm ; base = 14 cm
Small cone: diameter = 12 cm ; height = 6 cm ; base = 14 cm
Volume of a cone-shaped container = π r² h/3
Big cone:
V = 3.14 (6cm)² 18cm/3
V = 3.14 36cm² 6cm
V = 678.24 cm³
Small cone:
V = 3.14 (6cm)² 6cm/3
V = 3.14 36cm² 2cm
V = 226.08 cm³
Big cone - small cone = volume of water
678.24 cm³ - 226.08 cm³ = 452.16 cm³