Question

a cylinder of diameter 4cm and height 8cm was recasted into a right cone od diameter 8cm find length of the cone​

Answer 1

Answer:

12 cm

Step-by-step explanation:

volume of cylinder = volume of cone

2πr²h = 1/3πr²h

2 × 3.14 × 2² × 8 = 1/3 × 3.14 × 4² × h

2 × 4 × 8 = 1/3 × 16 × h

(64 × 3)/ 1 × 16 = h

192/16 = h

12 = h

hence, the height of the cone is 12 cm