MON MON\,MON is a sector of a circle, centre O O\,O and radius 12.2 cm. The angle of the sector is 150∘150^\circ150∘.
Find the perimeter of the sector MONMONMON. Give your answer correct to 3 significant figures.
30 exam-style questions on OCR GCSE Maths Sector Areas and Arc Lengths. Each one has a worked solution and a mark scheme showing where the marks go.