Save_Mathematics/P5/map511m16/map511m16a06/source.txt


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 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Enrichment
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<p>
 1.How many intervals are needed between140 trees to be fixed around a square garden?
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 <br />
 2.Find the perimeter of a circular piece of land fenced with 13500 trees each 45meters apart.
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