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<p>Nick Lord says “This problem encapsulates for me the best features of the NRICH collection.”</p>
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<p>Nick Lord says “This problem encapsulates for me the best features of the NRICH collection.”</p>
Three Interesting but tough problems showing how the golden ratio arises in circle geometry. Be ready to offer hints (see the hints and solutions provided) as these are too tricky for some students without a little help.