A triangle has side lengths of 10 cm and 15 cm. The angle opposite the 15 cm side is 45∘45^\circ45∘.
Work out the size of the angle x x\,x opposite the 10 cm side. Give your answer to 3 significant figures.
Practise Edexcel GCSE Maths The Sine Rule with exam-style questions for Foundation and Higher tier. 39 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.