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25-01-2018
Mathematics

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the diagram shows part of a regular polygon. Determine the number of sides for the polygon

8
9
10
11

the diagram shows part of a regular polygon Determine the number of sides for the polygon891011 class=

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isobellemoxon isobellemoxon

25-01-2018

n = sides
360÷n = one exterior angle
360÷n=40
360÷40=n
n=9

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