A wooden display block is carved into a prism with an L-shaped cross-section. The dimensions are shown in the diagram.
Find the total surface area of the block.

Practise OCR GCSE Maths Surface Area with exam-style questions for Foundation and Higher tier. 25 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.