JKLM JKLM\,JKLM is a quadrilateral.
Three of the interior angles are 115∘,78∘, 115^\circ, 78^\circ,\,115∘,78∘, and 92∘92^\circ92∘.
Work out the size of angle MMM.
Practise Edexcel GCSE Maths Angles in Polygons with exam-style questions for Foundation and Higher tier. 48 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.