A concrete block is cast in the shape of a semi-cylinder. The semi-cylinder has a radius of 15 cm and a length of 50 cm.
a.[3]
Work out the volume of the concrete block. Give your answer correct to 3 significant figures.
b.[3]
Work out the total surface area of the concrete block. Give your answer correct to 3 significant figures.
Cylinders Questions
Practise AQA GCSE Maths Cylinders with exam-style questions for Foundation and Higher tier. 98 questions, matched to the AQA GCSE Maths (8300) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.