The diagram shows a square-based pyramid EABCDEABCDEABCD.
AB=8 cmAB = 8 \text{ cm}AB=8 cm
The point E E\,E is 12 cm vertically above the center of the base.
Calculate the size of angle EACEACEAC. Give your answer correct to 1 decimal place.
3d Pythagoras and Trigonometry Questions
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.