don steward
mathematics teaching 10 ~ 16

Saturday, 26 March 2016

fraction of a circle

in a recent session, ideas were presented for looking at general cases
adapting new GCSE exam questions

this question from OCR

was adapted to explore the family

what fraction of the whole circle is the shaded area ?

there is a neat and simple generalisation

but I had the wrong one on the slide

it should have been

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