A metal bracket is in the shape of a triangle with side lengths 12 cm, 18 cm, and 25 cm. The angle between the 12 cm and 18 cm sides is x∘x^\circx∘.
Work out the value of xxx.
Give your answer to 3 significant figures.
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.