A paperweight in the shape of a pyramid has a square base ABCDABCDABCD.
AB=10 cmAB = 10 \text{ cm}AB=10 cm
The vertex E E\,E is 7 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 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.