Sector Areas and Arc Lengths

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$AOB\,$ is a sector of a circle, centre $O\,$ and radius 15 cm. The angle of the sector is $72∘72^\circ$ .

Diagram of a sector AOB with center O, radii 15 cm, and central angle 72 degrees.

Find the length of the arc $A B$ . Give your answer in terms of $π\pi$ .

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Sector Areas and Arc Lengths Questions

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.