Points KKK, LLL, M M\,M and N N\,N are points on the circumference of a circle, centre OOO. The points form a cyclic quadrilateral KLMNKLMNKLMN.
Angle KOM=(x+40)∘KOM = (x + 40)^\circKOM=(x+40)∘
Find the size of angle KNMKNMKNM, in terms of xxx. Give reasons for each stage of your working.
Practise OCR GCSE Maths Circle Theorems with exam-style questions for Foundation and Higher tier. 72 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers 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.