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'Weekly Problem 31 - 2008' printed from http://nrich.maths.org/

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The flag is given a half-turn anticlockwise about the point $O$ and then is reflected in the dotted line. What is the final position of the flag?

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If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

 

 

This problem is taken from the UKMT Mathematical Challenges.

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