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.
Practise OCR GCSE Maths The Cosine Rule with exam-style questions for Foundation and Higher tier. 44 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.