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.
36 exam-style questions on OCR GCSE Maths The Sine Rule. Each one has a worked solution and a mark scheme showing where the marks go.