The diagram shows a sector, centre OOO. The radius of the circle is 8.4 cm. The angle of the sector is 70∘70^\circ70∘.

Calculate the area of the sector. Give your answer correct to 3 significant figures.
Practise OCR GCSE Maths Sector Areas and Arc Lengths with exam-style questions for Foundation and Higher tier. 34 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.