In triangle LMNLMNLMN, angle L=72∘L = 72^\circL=72∘ and angle N=28∘N = 28^\circN=28∘. The length of side MN MN\,MN is 10.5 cm.
Work out the length of LNLNLN. Give your answer to 1 decimal place.
Practise Edexcel GCSE Maths The Sine Rule with exam-style questions for Foundation and Higher tier. 39 questions, matched to the Edexcel GCSE Maths (1MA1) 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.