A triangle has side lengths of 8 m, 11 m, and 14 m. The angle between the 8 m and 11 m sides is labeled x∘x^\circx∘.
Work out the value of xxx. Give your answer to 3 significant figures.
36 exam-style questions on OCR GCSE Maths The Cosine Rule. Each one has a worked solution and a mark scheme showing where the marks go.