The diagram shows a triangular prism made of glass.
CD=15 cmCD = 15 \text{ cm}CD=15 cm
AD=25 cmAD = 25 \text{ cm}AD=25 cm
Angle FDC=42∘FDC = 42^\circFDC=42∘
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.