Perimeter of a Circle Formula

How to work out the perimeter (circumference) of a circle

Here's a worksheet and walkthrough video on circles: https://youtu.be/EciEHn_s2JM. Hope it helps :-) This video deals with circumference of a circle, and is aimed at around grade 2 GCSE maths. The problems generally rely on diagrams to help visualise, and you can download the original questions from www.3minutemaths.co.uk. Join this channel to ...

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