Question

Find the volume of metal used in a hollow cylinder open at both ends whose external diameter is 28cm, thickness 3.5 cm and height 10cm.
external radius is 14 cm and internal radius is 10.5 cm.​

Answer 1

Answer:

2695

Step-by-step explanation:

volume of metal used = π(R^2-r^2)h

= 22/7(14^2 - 10.5^2) × 10 = 2695 cm^3

Answer 2

Answer:

2695 cm³

Step-by-step explanation:

ans given above in picture