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Question 1
3 marksThe diagram shows a cuboid ABCDEFGHABCDEFGHABCDEFGH.
AE=4 cmAE = 4 \text{ cm}AE=4 cm
AD=5 cmAD = 5 \text{ cm}AD=5 cm
DC=8 cmDC = 8 \text{ cm}DC=8 cm
What is the first step in solving a complex 3D Pythagoras or trigonometry problem?
Revision notes for AQA GCSE Maths 3d Pythagoras and Trigonometry. Open the guide for explanations and worked examples. Written against the AQA GCSE Maths (8300) specification, so the content matches what's examinable rather than general Maths background.
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A cuboid has perpendicular edge lengths 222 cm, 333 cm and 666 cm. What is the length of its space diagonal?