A metal support frame is triangular with side lengths 7 cm, 10 cm, and 12 cm. The angle between the 7 cm and 10 cm sides is labeled θ∘\theta^\circθ∘.
Work out the value of θ\thetaθ.
Give your answer to 1 decimal place.
Practise AQA GCSE Maths The Cosine Rule 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.