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.
36 exam-style questions on AQA GCSE Maths The Cosine Rule. Each one has a worked solution and a mark scheme showing where the marks go.