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.
3d Pythagoras and Trigonometry Questions
Practise OCR GCSE Maths 3d Pythagoras and Trigonometry with exam-style questions for Foundation and Higher tier. 28 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.