A wooden doorstop is in the shape of a triangular prism as shown in the diagram.

Find the total surface area of the triangular prism.
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.