The diagram shows a triangular prism.
CD=20 cmCD = 20 \text{ cm}CD=20 cm
AD=30 cmAD = 30 \text{ cm}AD=30 cm
Angle FDC=35∘FDC = 35^\circFDC=35∘
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.