Volume of a cylinder problems

Maths

Work out the radius of the cylinder. Give your answer to 1 decimal place.

Work out the diameter of the cylinder. Give your answer to 1 decimal place.

Work out the radius of the half cylinder.

Work out the volume of the cylinder. Give your answer to 1 decimal place.

Work out the volume of the cylinder. Give your answer in terms of π

The image shows part of a cylinder with the radius given.  Work out the volume of the object. Give your answer to 1 decimal place.