The Plastic Brain

Geometry puzzle…

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A bear leaves his home. He walks 20km South, then 20km East and then 20km North. He finds that he is home! What colour is the bear? 

Need a clue?

Read this

http://education.theage.com.au/cmspage.php?intid=147&intversion=97

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Author: Rogan Tinsley

Biology, science and maths teacher with a PhD in Neuroscience and passion for education.

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