Surface area problems

Maths

Work out the radius of the cylinders given that the curved surface area is 518.6 metres squared. Give your answer to 1 decimal place.

Work out the curved surface area of the half cylinder. Give your answer to 1 decimal place.

The cube and cylinder have the same surface area. Find the height of the cube to 1 decimal place.

Calculate the surface area of the cylinder. Give your answer in terms of π

Calculate the surface area of the cylinder. Give your answer to 1 decimal place

Calculate the surface area of the half cylinder. Give your answer to 1 decimal place