Question

a plastic pipe has a cross section as soon as shown in the diagram the outer circle has a radius of 20 cm and the inner circle has a radius of 10cm (a )calculate the shaded area (b)the pipe is 1 metre long calculate the volume of plastic used in used to make the pipe (C )calculate the capacity of the pipe give you answer in millimetre ​

Answer 1

Answer:

where is ur diagram I need diagram to answer ur question