
Geometry Geometry Math Forum 
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September 19th, 2015, 09:45 AM  #11 
Senior Member Joined: Jun 2015 From: England Posts: 915 Thanks: 271 
This child is 11. I would be interested to learn what syllabus requires an 11 year old to be able to solve this. 

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find, height, length, mum, needing, perpendicular 
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