The diagram shows a pyramid. The base of the pyramid ABCD ABCD\,ABCD is a square.
AB=5 cmAB = 5 \text{ cm}AB=5 cm
The point E E\,E is 10 cm vertically above the base.
Calculate the size of angle EACEACEAC.
22 exam-style questions on AQA GCSE Maths 3d Pythagoras and Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.