What is the first step in solving a complex 3D Pythagoras or trigonometry problem?
Calculate the total surface area of every face making up the 3D solid.
Calculate the volume of the solid using all the measurements provided in the question.
Identify or draw a useful 3D right-angled triangle around the outside of the 3D solid.
Identify or draw a useful 2D right-angled triangle hidden inside the 3D solid.
Flashcards for Edexcel GCSE Maths 3d Pythagoras and Trigonometry, covering the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3. 20 cards, matched to the Edexcel GCSE Maths (1MA1) specification.
