The diagram shows a cuboid ABCDEFGHABCDEFGHABCDEFGH.
AE=6 cmAE = 6 \text{ cm}AE=6 cm
AD=7 cmAD = 7 \text{ cm}AD=7 cm
DC=11 cmDC = 11 \text{ cm}DC=11 cm

Calculate the length of AGAGAG.
Give your answer correct to 3 significant figures.
Practise Edexcel GCSE Maths 3d Pythagoras and Trigonometry with exam-style questions for Foundation and Higher tier. 28 questions, matched to the Edexcel GCSE Maths (1MA1) 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.