A cylindrical iron block with a bottom area of 6.28 square meters and a height of 9 decimeters is fused into a conical iron block with a bottom area of 12.56 square decimeters. How many decimeters is the height of the conical iron block

A cylindrical iron block with a bottom area of 6.28 square meters and a height of 9 decimeters is fused into a conical iron block with a bottom area of 12.56 square decimeters. How many decimeters is the height of the conical iron block

6.28 square meters = 628 square decimeters 6.28x9 = 56.52 cubic decimeters 5652 × 3 △ 12.56 = 1350 (decimeters)