A triangle with vertices AAA, BBB, and C C\,C is shown. Side AB AB\,AB has a length of 8 m, and side AC AC\,AC has a length of 11 m. The angle at vertex A A\,A is 35∘35^\circ35∘.
Work out the length of BCBCBC.
Give your answer to 3 significant figures.
Practise AQA GCSE Maths The Cosine Rule with exam-style questions for Foundation and Higher tier. 41 questions, matched to the AQA GCSE Maths (8300) 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.
