Cast a cylindrical steel part with bottom radius of 3cm and length of 2cm into a conical part with bottom area of 31.4. What is the height of the conical part?

Cast a cylindrical steel part with bottom radius of 3cm and length of 2cm into a conical part with bottom area of 31.4. What is the height of the conical part?

The volume of a cylinder is equal to that of a cone
14 × 3 & # 178; × 2 = 56.52 cm3
The height of the cone is 3 × 56.52 △ 31.4 = 5.4cm
A: the height of this cone is 5.4cm