A triangular sail has two side lengths of 8 m and 11 m. The angle between these sides is xxx.
The area of the sail is 40 m2.
Work out the value of xxx.
Give your answer to 3 significant figures.
Practise AQA GCSE Maths Finding the Area of Any Triangle with exam-style questions for Foundation and Higher tier. 44 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.