In triangle PQRPQRPQR, the side length QR=25 cmQR = 25\text{ cm}QR=25 cm and PQ=14 cmPQ = 14\text{ cm}PQ=14 cm. The angle QPR=60∘QPR = 60^\circQPR=60∘.
Work out the size of angle PRQPRQPRQ, labeled xxx.
Give your answer to 3 significant figures.
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The Sine Rule Questions
36 exam-style questions on CCEA GCSE Maths The Sine Rule. Each one has a worked solution and a mark scheme showing where the marks go.