In triangle PQRPQRPQR, the side PQ=20 cmPQ = 20\text{ cm}PQ=20 cm, the side PR=25 cmPR = 25\text{ cm}PR=25 cm and angle QPR=40∘QPR = 40^\circQPR=40∘.
Work out the area of the triangle PQRPQRPQR. 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.