The diagram shows a tent in the shape of a triangular prism.
CD=10 mCD = 10 \text{ m}CD=10 m
AD=18 mAD = 18 \text{ m}AD=18 m
Angle FDC=28∘FDC = 28^\circFDC=28∘
Calculate the size of the angle the line AF AF\,AF makes with the plane ABCDABCDABCD.
Give your answer correct to 3 significant figures.
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.