Answer :
V = ¹/₃πr²h
V = ¹/₃(3.14)(12)²(3)
V = ¹/₃(3.14)(144)(3)
V = ¹/₃(3.14)(432)
V = ¹/₃(1356.48)
V = 452.16km³
V = ¹/₃(3.14)(12)²(3)
V = ¹/₃(3.14)(144)(3)
V = ¹/₃(3.14)(432)
V = ¹/₃(1356.48)
V = 452.16km³