The diagram shows a cuboid ABCDEFGHABCDEFGHABCDEFGH.
AB=4 cmAB = 4 \text{ cm}AB=4 cm
AE=3 cmAE = 3 \text{ cm}AE=3 cm
AG=10 cmAG = 10 \text{ cm}AG=10 cm

Calculate the length of ADADAD.
Give your answer correct to 3 significant figures.
Practise OCR GCSE Maths 3d Pythagoras and Trigonometry with exam-style questions for Foundation and Higher tier. 28 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.